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Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Jun. 30, 2013	Jul. 26, 2013
Entity Registrant Name	Booz Allen Hamilton Holding Corp
Entity Central Index Key	0001443646
Document Type	10-Q
Document Period End Date	Jun. 30, 2013
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--03-31
Entity Filer Category	Accelerated Filer
Common stock, Class A
Entity Common Stock, Shares Outstanding		138,077,635
Non-voting common stock, Class B
Entity Common Stock, Shares Outstanding		971,070
Restricted common stock, Class C
Entity Common Stock, Shares Outstanding		1,034,276
Special voting common stock, Class E
Entity Common Stock, Shares Outstanding		7,244,207

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 385,359	$ 350,384
Accounts receivable, net of allowance	995,554	1,029,586
Prepaid expenses and other current assets	50,432	44,382
Total current assets	1,431,345	1,424,352
Property and equipment, net of accumulated depreciation	154,126	166,570
Intangible assets, net of accumulated amortization	232,021	236,220
Goodwill	1,277,123	1,277,369
Other long-term assets	73,408	73,017
Total assets	3,168,023	3,177,528
Current liabilities:
Current portion of long-term debt	60,094	55,562
Accounts payable and other accrued expenses	477,697	451,065
Accrued compensation and benefits	299,955	385,433
Other current liabilities	75,149	72,586
Total current liabilities	912,895	964,646
Long-term debt, net of current portion	1,643,889	1,659,611
Other long-term liabilities	323,046	326,478
Total liabilities	2,879,830	2,950,735
Commitments and contingencies (Note 17)
Stockholders’ equity:
Treasury stock, at cost — 553,173 shares at June 30, 2013 and 405,843 shares at March 31, 2013	(8,964)	(6,444)
Additional paid-in capital	127,927	120,836
Retained earnings	181,174	124,775
Accumulated other comprehensive loss	(13,363)	(13,787)
Total stockholders’ equity	288,193	226,793
Total liabilities and stockholders’ equity	3,168,023	3,177,528
Common stock, Class A
Stockholders’ equity:
Common stock	1,376	1,364
Non-voting common stock, Class B
Stockholders’ equity:
Common stock	11	15
Restricted common stock, Class C
Stockholders’ equity:
Common stock	10	12
Special voting common stock, Class E
Stockholders’ equity:
Common stock	$ 22	$ 22

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2013	Mar. 31, 2013
Treasury stock, shares	553,173	405,843
Common stock, Class A
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	600,000,000	600,000,000
Common stock, shares issued	137,641,125	136,457,444
Common stock, shares outstanding	137,087,952	136,051,601
Non-voting common stock, Class B
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	16,000,000	16,000,000
Common stock, shares issued	1,103,330	1,451,600
Common stock, shares outstanding	1,103,330	1,451,600
Restricted common stock, Class C
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	5,000,000	5,000,000
Common stock, shares issued	1,036,876	1,224,319
Common stock, shares outstanding	1,036,876	1,224,319
Special voting common stock, Class E
Common stock, par value	$ 0.003	$ 0.003
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	7,244,207	7,478,522
Common stock, shares outstanding	7,244,207	7,478,588

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Revenue	$ 1,427,691	$ 1,432,424
Operating costs and expenses:
Cost of revenue	701,472	727,370
Billable expenses	397,888	378,460
General and administrative expenses	171,328	193,355
Depreciation and amortization	18,330	18,503
Total operating costs and expenses	1,289,018	1,317,688
Operating income	138,673	114,736
Interest expense	(20,712)	(11,246)
Other, net	54	(483)
Income before income taxes	118,015	103,007
Income tax expense	47,702	41,062
Net income	$ 70,313	$ 61,945
Earnings per common share (Note 3):
Basic (in dollars per share)	$ 0.51	$ 0.46
Diluted (in dollars per share)	0.48	0.43
Dividends declared per share	$ 0.10	$ 1.59

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 70,313	$ 61,945
Change in postretirement plan costs, net of tax	424	99
Comprehensive income	$ 70,737	$ 62,044

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Net income	$ 70,313	$ 61,945
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,330	18,503
Stock-based compensation expense	5,146	6,762
Excess tax benefits from the exercise of stock options	(961)	(315)
Amortization of debt issuance costs and original issuance discount on debt	2,084	1,476
Losses on dispositions and impairments	585	808
Changes in assets and liabilities:
Accounts receivable	34,032	6,539
Prepaid expenses and other current assets	(4,930)	29,662
Other long-term assets	(2,041)	4,711
Accrued compensation and benefits	(72,400)	(58,245)
Accounts payable and other accrued expenses	26,632	(3,173)
Accrued interest	2,012	2,045
Other current liabilities	552	2,748
Other long-term liabilities	(5,507)	577
Net cash provided by operating activities	73,847	74,043
Cash flows from investing activities
Purchases of property and equipment	(2,430)	(3,969)
Net cash used in investing activities	(2,430)	(3,969)
Cash flows from financing activities
Net proceeds from issuance of common stock	1,285	1,754
Stock option exercises	3,235	837
Excess tax benefits from the exercise of stock options	961	315
Repurchases of common stock	(2,520)	0
Cash dividends paid	(13,915)	(210,672)
Dividend equivalents to option holders	(13,864)	0
Repayment of debt	(11,624)	(10,625)
Net cash used in financing activities	(36,442)	(218,391)
Net increase (decrease) in cash and cash equivalents	34,975	(148,317)
Cash and cash equivalents-beginning of period	350,384	484,368
Cash and cash equivalents-end of period	385,359	336,051
Cash paid during the period for:
Interest	16,604	7,721
Income taxes	$ 40,103	$ 869

Business Overview	3 Months Ended
Business Overview	Jun. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BUSINESS OVERVIEW	BUSINESS OVERVIEW Organization Booz Allen Hamilton Holding Corporation, including its wholly owned subsidiaries, or Holding or the Company, is an affiliate of The Carlyle Group, or Carlyle, and was incorporated in Delaware in May 2008. The Company provides management and technology consulting services primarily to the U.S. government in the defense, intelligence, and civil markets. The Company is also further developing the scope and scale of the engineering services capabilities that it provides to its U.S. government clients. The Company has expanded beyond its management consulting foundation to develop deep expertise in technology, engineering, and analytics. The Company reports operating results and financial data in one operating segment. The Company is headquartered in McLean, Virginia, with approximately 23,400 employees as of June 30, 2013.

Basis of Presentation	3 Months Ended
Basis of Presentation	Jun. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BASIS OF PRESENTATION	BASIS OF PRESENTATION The Company prepared the unaudited condensed consolidated financial statements in this Quarterly Report on Form 10-Q, or Quarterly Report, in accordance with accounting principles generally accepted in the United States, or GAAP, for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. As a result, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted. The Company followed the accounting policies used and disclosed in the consolidated financial statements included in the Annual Report on Form 10-K for the fiscal year ended March 31, 2013 filed with the Securities and Exchange Commission on May 23, 2013, or Annual Report, and policies stated within this Form 10-Q. The Company’s fiscal year ends on March 31 and unless otherwise noted, references to fiscal year or fiscal are for fiscal years ended March 31. The interim financial information in this Quarterly Report reflects all adjustments, consisting of normal recurring adjustments except as otherwise disclosed, necessary for a fair presentation of the Company’s results of operations for the interim periods. The results of operations for the three months ended June 30, 2013 are not necessarily indicative of results to be expected for the full fiscal year. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting periods. Areas of the financial statements where estimates may have the most significant effect include allowance for doubtful accounts, contractual and regulatory reserves, valuation and lives of tangible and intangible assets, impairment of long-lived assets, accrued liabilities, revenue recognition, bonus and other incentive compensation, stock-based compensation, realization of deferred tax assets, provisions for income taxes, and postretirement obligations. Actual results experienced by the Company may differ materially from management's estimates. Recent Accounting Pronouncements Recent accounting pronouncements issued by the Financial Accounting Standards Board, or FASB, during the three months ended June 30, 2013, and through the filing date did not or are not believed by management to have a material impact on the Company's present or historical condensed consolidated financial statements.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

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+ Details

Earnings Per Share

3 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

EARNINGS PER SHARE

The Company computes basic and diluted earnings per share amounts based on net income for the periods presented. The Company uses the weighted average number of common shares outstanding during the period to calculate basic earnings per share, or EPS. Diluted EPS adjusts the weighted average number of shares outstanding to include the dilutive effect of outstanding common stock options and other stock-based awards.

The Company currently has outstanding shares of Class A Common Stock, Class B Non-Voting Common Stock, Class C Restricted Common Stock, and Class E Special Voting Common Stock. Class E Special Voting Common Stock shares are not included in the calculation of EPS as these shares represent voting rights only and are not entitled to participate in dividends or other distributions. Unvested Class A Restricted Common Stock and unvested Class C Restricted Common Stock holders are entitled to participate in non-forfeitable dividends or other distributions. These unvested shares participated in the Company's dividends declared and paid in the first quarter of fiscal 2014 and 2013. As such, EPS is calculated using the two-class method whereby earnings are reduced by distributed earnings as well as any available undistributed earnings allocable to restricted shareholders. A reconciliation of the income used to compute basic and diluted EPS for the periods presented are as follows:



	Three Months Ended June 30,
	2013		2012
Earnings for basic computations (a)	$	69,998	$	60,693
Weighted-average Class A Common Stock outstanding	135,538,602		127,932,803
Weighted-average Class B Non-Voting Common Stock outstanding	1,348,912		2,474,453
Weighted-average Class C Restricted Common Stock outstanding	1,156,992		1,260,620
Total weighted-average common shares outstanding for basic computations	138,044,506		131,667,876
Earnings for diluted computations (a)	$	70,014	$	60,693
Dilutive stock options and restricted stock	9,193,243		11,009,161
Average number of common shares outstanding for diluted computations	147,237,749		142,677,037
Earnings per common share
Basic	$	0.51	$	0.46
Diluted	$	0.48	$	0.43

(a) During the three months ended June 30, 2013 and 2012, approximately 600,000 and 800,000 participating securities were paid dividends totaling $62,000 and $1.3 million, respectively. Additionally, for the three months ended June 30, 2013, there were undistributed earnings of $253,000 and $237,000 allocated to the participating class of securities in basic and diluted earnings per share, respectively. The allocated undistributed earnings and the dividends paid for the three months ended June 30, 2013 comprise the difference from net income presented on the condensed consolidated statements of operations while only the dividends paid comprise the difference in net income for the three months ended June 30, 2012, as there were no excess undistributed earnings.

The EPS calculation for the three months ended June 30, 2013 and 2012 excludes 990,000 and 2,480,000 options, respectively, as their impact was anti-dilutive.

Acquisitions	3 Months Ended
Acquisitions	Jun. 30, 2013
Business Combinations [Abstract]
ACQUISITIONS	ACQUISITIONS On November 30, 2012 Booz Allen Hamilton Engineering Holding Co., LLC, a wholly owned subsidiary of the Company, acquired the Defense Systems Engineering and Support, or DSES, division of ARINC Incorporated, or ARINC, by acquiring 100% of the membership interests of ARINC Engineering Services, LLC, a formerly wholly owned subsidiary of ARINC that owns DSES. DSES is a provider of advanced aviation and maritime engineering, advanced weapons modernization and sustainment, and advanced systems engineering and integration. Subsequent to the acquisition, the Company changed the name of ARINC Engineering Services, LLC to Booz Allen Hamilton Engineering Services, or BES. The Company paid approximately $155.1 million in cash to ARINC for DSES on November 30, 2012, which includes a stated purchase price under the acquisition agreement of $154.0 million and a working capital adjustment of $1.1 million. The Company will recover $3.6 million from ARINC as the final net working capital agreed upon by both parties is lower than the amount paid in connection with the acquisition. The Company has accounted for this return of consideration and the purchase price allocation has been adjusted to assume a purchase price of $151.5 million. The Company has recognized the estimated fair values of the assets acquired and liabilities assumed and has allocated $86.9 million to goodwill and $26.5 million to identifiable intangible assets. The goodwill is largely attributed to the specialized workforce and the expected synergies between the Company and DSES. The value attributed to the identifiable intangible assets of $26.5 million is being amortized on an accelerated basis over the estimated useful life of 7 years.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7000-128479

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4922-128472

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-Section 50
-Paragraph 4
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1383-128463

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 88-16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph F4
-Subparagraph e
-Appendix F

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51, 52
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 67-73
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Accounts Receivable, Net

3 Months Ended

Jun. 30, 2013

Receivables [Abstract]

ACCOUNTS RECEIVABLE, NET

Accounts receivable, net consisted of the following:



	June 30, 2013			March 31, 2013
Current
Accounts receivable–billed	$	456,874		$	431,770
Accounts receivable–unbilled	540,708			598,004
Allowance for doubtful accounts	(2,028		)	(188		)
Accounts receivable, net	995,554			1,029,586
Long-term
Unbilled receivables	23,274			19,779
Total accounts receivable, net	$	1,018,828		$	1,049,365

The Company recognized a provision for doubtful accounts of $2.0 million and $740,000 for the three months ended June 30, 2013 and 2012, respectively. Long-term unbilled receivables related to retainage, holdbacks, and long-term rate settlements to be billed at contract closeout are included in other long-term assets as accounts receivable in the accompanying condensed consolidated balance sheets.

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5066-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3, 4
-Article 5

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 7
-Article 9

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph k
-Article 4

+ Details

Accounts Payable and Other Accrued Expenses

3 Months Ended

Jun. 30, 2013

Payables and Accruals [Abstract]

ACCOUNTS PAYABLE AND OTHER ACCRUED EXPENSES

Accounts payable and other accrued expenses consisted of the following:



	June 30, 2013		March 31, 2013
Vendor payables	$	259,623	$	248,471
Accrued expenses	218,074		202,594
Total accounts payable and other accrued expenses	$	477,697	$	451,065

Accrued expenses consisted primarily of the Company’s reserve related to potential cost disallowance in conjunction with government audits. Refer to Note 17 for further discussion of this reserve.

Accrued Compensation and Benefits

3 Months Ended

Jun. 30, 2013

Accrued Compensation and Benefits [Abstract]

ACCRUED COMPENSATION AND BENEFITS

Accrued compensation and benefits consisted of the following:



	June 30, 2013		March 31, 2013
Bonus	$	20,383	$	89,389
Retirement	81,429		83,071
Vacation	133,202		136,528
Stock-based compensation liability (Note 14)	35,391		48,468
Other	29,550		27,977
Total accrued compensation and benefits	$	299,955	$	385,433

Debt

3 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

DEBT

Debt consisted of the following:



	June 30, 2013					March 31, 2013
	Interest Rate		Outstanding Balance			Interest Rate		Outstanding Balance
Tranche A Loans	2.70	%	$	697,122		2.70	%	$	706,134
Tranche B Loans	4.50	%	1,006,861			4.50	%	1,009,039
Total			1,703,983					1,715,173
Less: Current portion of long-term debt			(60,094		)			(55,562		)
Long-term debt, net of current portion			$	1,643,889				$	1,659,611

On July 31, 2012, the Company consummated a recapitalization transaction, or Recapitalization Transaction, which included the refinancing and termination of the Company's existing senior secured credit agreement with the proceeds of the borrowings under the Company's new senior secured credit agreement, or Credit Agreement. The Credit Agreement provided the Company with a $725.0 million Term Loan A tranche and a $1,025.0 million Term Loan B tranche, and a $500.0 million revolving credit facility, with a sublimit for letters of credit of $100.0 million. The outstanding obligations under the Credit Agreement are secured by a security interest in substantially all of the assets of the Company, subject to certain exceptions set forth in the Credit Agreement and related documentation.

The Credit Agreement requires quarterly principal payments of 1.25% of the stated principal amount of Tranche A Loans, with annual incremental increases to 1.875%, 2.50%, 3.125%, and 13.0%, prior to the Tranche A Loans' maturity date of December 31, 2017, and 0.25% of the stated principal amount of Tranche B Loans, with the remaining balance payable on the Tranche B Loans' maturity date of July 31, 2019. The revolving credit facility matures on December 31, 2017, at which time any outstanding principal balance is due in full. As of June 30, 2013 and March 31, 2013, there were no amounts outstanding on the revolving credit facility.

The interest rate on borrowings under Tranche A is LIBOR plus a 2.50% spread. The spread ranges from 2.00% to 2.75% based on the Company's total leverage ratio. The interest rate on borrowings under Tranche B is LIBOR plus a 3.5% spread with a 1% floor. The revolving credit facility margin and commitment fee are subject to the leveraged based pricing grid, as set forth in the Credit Agreement.

The total outstanding debt balance is recorded in the accompanying condensed consolidated balance sheets, net of unamortized discount of $11.1 million and $11.6 million as of June 30, 2013 and March 31, 2013, respectively.

As of June 30, 2013 and March 31, 2013, the Company was in compliance with all of the Credit Agreement's debt covenants.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References + Details

Income Taxes	3 Months Ended
Income Taxes	Jun. 30, 2013
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES The Company’s effective income tax rate was 40.4% and 39.9% for the three months ended June 30, 2013 and 2012, respectively. The effective tax rate of 40.4% for the three months ended June 30, 2013 differs from the statutory rate of 35.0% due to state income taxes, changes in uncertain tax positions, and the effect of permanent rate differences, which primarily relate to meals and entertainment.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

+ Details

Other Long-Term Liabilities

3 Months Ended

Jun. 30, 2013

Other Liabilities Disclosure [Abstract]

OTHER LONG-TERM LIABILITIES

Other long-term liabilities consisted of the following:



	June 30, 2013		March 31, 2013
Income tax reserve	$	57,297	$	57,018
Deferred rent	32,154		40,548
Deferred compensation	27,354		26,443
Stock-based compensation	53,369		50,625
Deferred payment obligation	61,228		61,473
Postretirement benefit obligations	85,443		83,761
Other	6,201		6,610
Total other long-term liabilities	$	323,046	$	326,478

Employee Benefit Plans

3 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

EMPLOYEE BENEFIT PLANS

Defined Contribution Plan

The Company sponsors the Employees’ Capital Accumulation Plan, or ECAP, which is a qualified defined contribution plan that covers eligible U.S. and international employees. ECAP provides for distributions, subject to certain vesting provisions, to participants by reason of retirement, death, disability, or termination of employment. Total expense recognized under ECAP for the three months ended June 30, 2013 and 2012 was $41.6 million and $59.6 million, respectively, and the Company-paid contributions were $43.2 million and $41.3 million, respectively.

Defined Benefit Plan and Other Postretirement Benefit Plans

The Company maintains and administers a postretirement medical plan and a defined benefit retirement plan for current, retired, and resigned officers.

The components of net postretirement medical expense for the Officer Medical Plan were as follows:



	Three Months Ended June 30,
	2013		2012
Service cost	$	1,186	$	973
Interest cost	924		787
Net actuarial loss	713		384
Total postretirement medical expense	$	2,823	$	2,144

As of June 30, 2013 and March 31, 2013, the unfunded status of the Officer Medical Plan was $80.4 million and $78.7 million, respectively, which is included in other long-term liabilities in the accompanying condensed consolidated balance sheets.

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Implementation Guide (Q and A)
-Number FAS88
-Paragraph 63
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-2
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph q
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 8
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 7, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS106-2
-Paragraph 20, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 30
-Paragraph 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Accumulated Other Comprehensive Loss

3 Months Ended

Jun. 30, 2013

Equity [Abstract]

ACCUMULATED OTHER COMPREHENSIVE LOSS

All amounts recorded in other comprehensive loss are related to the Company's pension plan. The following table represents a rollforward of amounts recognized in accumulated other comprehensive loss, net of tax:



	Three Months Ended June 30,
	2013			2012
Beginning of year	$	(13,787	)	$	(8,715	)
Other comprehensive loss before reclassifications	—			(282		)
Amounts reclassified from accumulated other comprehensive loss	424			381
Net current-period other comprehensive loss	424			99
End of year	$	(13,363	)	$	(8,616	)

The following table presents the reclassifications out of accumulated other comprehensive loss to net income:



	Three Months Ended June 30,
	2013			2012
Amortization of net actuarial loss included in net periodic benefit cost (See Note 11)
Total before tax	$	(713	)	$	(381	)
Tax benefit	289			—
Net of tax	$	(424	)	$	(381	)

- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669619-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e716-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e640-108580

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e709-108580

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e637-108580

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e681-108580

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14-26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Stockholders' Equity

3 Months Ended

Jun. 30, 2013

Equity [Abstract]

STOCKHOLDERS' EQUITY

STOCKHOLDERS’ EQUITY

Common Stock

The common stock shares activity consisted of the following:



	Class A Common Stock	Class B Non-Voting Common Stock		Class C Restricted Common Stock		Class E Special Voting Common Stock		Treasury Stock
Balance at March 31, 2012	128,726,324	2,487,125		1,533,020		10,140,067		(333,775	)
Issuance of common stock	1,182,004	—		—		—		—
Stock options exercised	5,204,890	—		—		(2,661,545)		—
Share exchange	1,344,226	(1,035,525)		(308,701)		—		—
Repurchase of common stock (1)	—	—		—		—		(72,068)
Balance at March 31, 2013	136,457,444	1,451,600		1,224,319		7,478,522		(405,843)
Issuance of common stock	77,801	—		—		—		—
Stock options exercised	570,167	—		—		(234,315	)	—
Share exchange	535,713	(348,270	)	(187,443	)	—		—
Repurchase of common stock (2)	—	—		—		—		(147,330)
Balance at June 30, 2013	137,641,125	1,103,330		1,036,876		7,244,207		(553,173)


(1)	Reflects shares repurchased on July 2, 2012 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2012.


(2)	Reflects shares repurchased on June 30, 2013 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2013 and shares repurchased for the withholding taxes on accelerated restricted stock vesting for departing officers.

For the Company's Employee Stock Purchase Plan, or ESPP, quarterly offering period that closed on June 30, 2013, 77,801 Class A Common Stock shares were purchased by employees under the ESPP. As of the program's inception, 1,096,342 shares have been purchased by employees.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section B
-Paragraph 7, 11A
-Chapter 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph d
-Article 4

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 20: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Article 4

Reference 21: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
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Reference 23: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Stock-Based Compensation

3 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

STOCK-BASED COMPENSATION

The following table summarizes stock-based compensation expense recognized in the condensed consolidated statements of operations:



	Three Months Ended June 30,
	2013		2012
Cost of revenue	$	1,477	$	1,927
General and administrative expenses	3,669		4,835
Total	$	5,146	$	6,762

The following table summarizes the total stock-based compensation expense recognized in the condensed consolidated statements of operations by the following types of equity awards:



	Three Months Ended June 30,
	2013		2012
Class C Restricted Stock	$	59	$	133
Rollover Options	578		1,237
Equity Incentive Plan	2,102		4,104
Class A Restricted Common Stock	2,407		1,288
Total	$	5,146	$	6,762

As of June 30, 2013, there was $17.3 million of total unrecognized compensation cost related to unvested stock-based compensation agreements. The unrecognized compensation cost as of June 30, 2013 is expected to be amortized over 5 years. Absent the effect of accelerating stock compensation cost for any departures of employees who may continue to vest in their equity awards, the following table summarizes the unrecognized compensation cost and the weighted average period the cost is expected to be amortized.



	June 30, 2013
	Unrecognized Compensation Cost		Weighted Average Remaining Period to be Recognized
Equity Incentive Plan	$	13,029	3.53
Class A Restricted Common Stock	4,302		1.81
Total	$	17,331

Amended and Restated Equity Incentive Plan

On May 23, 2013, 880,000 options were granted under the Amended and Restated Equity Incentive Plan, or EIP. The estimated fair value of our Class A Common Stock on May 23, 2013 at the time of the option grant, was $18.35.

As of June 30, 2013, there were 9,123,687 EIP options outstanding, of which 3,621,154 were unvested.

Class A Restricted Common Stock

As permitted under the terms of the EIP, the Compensation Committee as Administrator of the Plan, authorized on June 3, 2011 the withholding of taxes not to exceed the minimum statutory withholding amount, through the surrender of shares of Class A Common Stock issuable upon the vesting or accelerated vesting of Class A Restricted Common Stock. For those holders who elected to participate, the trade dates were April 1, 2013 and June 30, 2013 for the vesting or accelerated vesting of the Class A Restricted Common Stock. As a result of these transactions the Company repurchased 10,219 shares at $13.45 and 137,111 shares at $17.38 and recorded them as treasury shares at a cost of $2.5 million.

Special Dividends

The Board of Directors, as the Administrator of the Officers' Rollover Stock Plan and the EIP, has the discretion in how to effect the required adjustment to keep option holders whole in the event of a distribution of dividends that triggers certain anti-dilution clauses within the respective plans. In the event the Board of Directors elects to grant option holders a cash payment equal to the amount of the special dividend, the Company accrues a stock-based compensation liability as the respective option's stock compensation expense is recorded in the statement of operations. This obligation will be settled on the options' mandatory exercise date for Rollover Options and on the later of the date the dividend is paid or vesting for the EIP options.

Total compensation expense recorded in conjunction with the payment of the dividends equivalent to holders of unvested EIP options for the three months ended June 30, 2013 was $117,000. Future compensation cost related to payment of the dividends equivalent to holders of EIP options not yet recognized in the statement of operations is $1.2 million and is expected to be recognized over 4 years. On June 30, 2013, a payment of $13.9 million was made to holders of vested outstanding EIP options.

As of June 30, 2013 and March 31, 2013, the Company calculated a total recorded and unrecorded stock-based compensation liability of $92.3 million and $106.4 million, respectively, related to the special dividends paid in July 2009, December 2009, June 2012, and August 2012. The total recorded stock-based compensation liability as of June 30, 2013 and March 31, 2013 is as follows:



	June 30, 2013						March 31, 2013
	EIP Options		Rollover Options		Total		EIP Options		Rollover Options		Total
Current portion of liability¹	$	1,352	$	34,039	$	35,391	$	14,429	$	34,039	$	48,468
Long-term portion of liability²	—		53,369		53,369		—		50,625		50,625
	$	1,352	$	87,408	$	88,760	$	14,429	$	84,664	$	99,093

¹ Included in accrued compensation and benefits (Note 7).

²Included in other long-term liabilities.

As of June 30, 2013, $3.5 million related to EIP Options will be recorded as liabilities as the related compensation expense is recognized over the next 4 years. There is no unrecorded liability related to Rollover Options as of June 30, 2013. As of March 31, 2013, there were unrecognized liabilities of $2.8 million and $4.5 million related to Rollover Options and EIP Options, respectively.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Financial Instruments

3 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

FINANCIAL INSTRUMENTS

The accounting standard for fair value measurements establishes a three-tier value hierarchy, which prioritizes the inputs used in measuring fair value as follows: observable inputs such as quoted prices in active markets (Level 1); inputs other than quoted prices in active markets that are observable either directly or indirectly (Level 2); and unobservable inputs in which there is little or no market data, which requires the Company to develop its own assumptions (Level 3).

A financial instrument's level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. The following tables set forth by level represent the fair value of the Company's cash and cash equivalents as of June 30, 2013.



	Fair Value of Cash and Cash Equivalents as of June 30, 2013
	Level 1	Level 2	Level 3	Total
Cash and cash equivalents	$137,520	—	—	$137,520
Money market funds (a)	—	$247,839	—	$247,839
Total cash and cash equivalents	$137,520	$247,839	—	$385,359

(a) Level two cash and cash equivalents are invested in money market funds that are intended to maintain a stable net asset value of $1.00 per share by investing in liquid, high quality U.S. dollar-denominated money market instruments.

The fair value of the Company's trade accounts receivable and accounts payable approximates its carrying value at June 30, 2013 and March 31, 2013 because of the short-term nature of these instruments. The fair value of the Company's debt instruments approximates its carrying value at June 30, 2013 and March 31, 2013. The fair value of debt is determined based on interest rates available for debt with terms and maturities similar to the Company's existing debt arrangements (Level 2 inputs).

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Related-Party Transactions	3 Months Ended
Related-Party Transactions	Jun. 30, 2013
Related Party Transactions [Abstract]
RELATED-PARTY TRANSACTIONS	RELATED-PARTY TRANSACTIONS The Company is an affiliate of Carlyle, and from time to time, and in the ordinary course of business: (1) other Carlyle portfolio companies engage the Company as a subcontractor or service provider, and (2) the Company engages other Carlyle portfolio companies as subcontractors or service providers. Revenue and cost associated with these related parties for the three months ended June 30, 2013 were $96,000 and $82,000, respectively. Revenue and cost associated with these related parties for the three months ended June 30, 2012 were $150,000 and $144,000, respectively. On July 31, 2008, the Company entered into a management agreement, or Management Agreement, with TC Group V US, L.L.C., or TC Group, a company affiliated with Carlyle. In accordance with the Management Agreement, TC Group provides the Company with advisory, consulting, and other services and the Company pays TC Group an aggregate annual fee of $1.0 million, plus expenses. For the three months ended June 30, 2013 and 2012, the Company incurred $250,000 in advisory fees.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph b
-Article 3A

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph k
-Article 4

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 57
-Paragraph 1-4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Jun. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES Leases As a result of the July 2008 acquisition, as described in the Company’s Annual Report, the Company assigned a total of nine leases to Booz & Co. The facilities are located in New York, New York; Troy, Michigan; Florham Park, New Jersey; Parsippany, New Jersey; Houston, Texas; Chicago, Illinois; Cleveland, Ohio; Dallas, Texas; and London, England. Except for the Parsippany, Troy, Houston, Cleveland and Dallas leases, which expired, the Company remains liable under the terms of the original leases should Booz & Co. default on its obligations. There were no events of default under these leases as of June 30, 2013 or March 31, 2013. The maximum potential amount of undiscounted future payments is $22.0 million, and the leases expire at different dates between September 2013 and March 2017. Based on the Company’s assessment of the likelihood of future payment, no amounts have been recorded related to the Company’s contingent liability on such leases. Government Contracting Matters For the three months ended June 30, 2013 and 2012, approximately 99% and 98%, respectively, of the Company’s revenue was generated from contracts with U.S. government agencies or other U.S. government contractors. Contracts with the U.S. government are subject to extensive legal and regulatory requirements and, from time to time and in the ordinary course of business, agencies of the U.S. government investigate whether the Company’s operations are conducted in accordance with these requirements and the terms of the relevant contracts by using investigative techniques such as subpoenas or civil investigative demands. U.S. government investigations of the Company, whether related to the Company’s U.S. government contracts or conducted for other reasons, could result in administrative, civil, or criminal liabilities, including repayments, fines, or penalties being imposed upon the Company, or could lead to suspension or debarment from future U.S. government contracting. Management believes it has adequately reserved for any losses that may be experienced from any investigation of which it is aware. The Defense Contract Management Agency Administrative Contracting Officer has negotiated annual final indirect cost rates through fiscal year 2007. Audits of subsequent years may result in cost reductions and/or penalties. Management believes it has adequately reserved for any losses that may be experienced from any such reductions and/or penalties. As of June 30, 2013 and March 31, 2013, the Company has recorded a liability of approximately $167.5 million and $156.2 million, respectively, for its current best estimate of amounts to be refunded to customers for potential adjustments from such audits or reviews of contract costs incurred subsequent to fiscal year 2007. Litigation The Company is involved in legal proceedings and investigations arising in the ordinary course of business, including those relating to employment matters, relationships with clients and contractors, intellectual property disputes, and other business matters. These legal proceedings seek various remedies, including claims for monetary damages in varying amounts that currently range up to $40 million or are unspecified as to amount. Although the outcome of any such matter is inherently uncertain and may be materially adverse, based on current information, management does not expect any of the currently ongoing audits, reviews, investigations, or litigation to have a material adverse effect on the Company’s financial condition and results of operations. As of June 30, 2013, there are no material amounts accrued in the condensed consolidated financial statements related to these proceedings. Six former officers and stockholders who had departed the firm prior to July 31, 2008, the date on which we became majority owned by The Carlyle Group and certain of its affiliated investment funds, as described in the Company’s Annual Report, or the Acquisition, have filed a total of nine suits in various jurisdictions, with original filing dates ranging from July 3, 2008 through December 15, 2009 (three of which were amended on July 2, 2010 and then further amended into one consolidated complaint on September 7, 2010) against the Company and certain of the Company’s current and former directors and officers. Each of the suits arises out of the Acquisition and alleges that the former stockholders are entitled to certain payments that they would have received if they had held their stock at the time of the Acquisition. Some of the suits also allege that the Acquisition price paid to stockholders was insufficient. The various suits assert claims for breach of contract, tortious interference with contract, breach of fiduciary duty, civil Racketeer Influenced and Corrupt Organizations Act, or RICO, violations, violations of the Employee Retirement Income Security Act, and/or securities and common law fraud. Two of these suits have been dismissed with all appeals exhausted. Five of the remaining suits are pending in the United States District Court for the Southern District of New York, the sixth is pending in New York state court and the seventh is pending in the United States District Court for the Southern District of California. As of June 30, 2013 and March 31, 2013, the aggregate alleged damages sought in the seven remaining suits was approximately $348.7 million ($291.5 million of which is sought to be trebled pursuant to RICO) plus punitive damages, costs, and fees. Although the outcome of any of these cases is inherently uncertain and may be materially adverse, based on current information, management does not expect them to have a material adverse effect on our financial condition and results of operations.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Earnings Per Share (Tables)

3 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Reconciliation of the income used to compute basic and diluted EPS

A reconciliation of the income used to compute basic and diluted EPS for the periods presented are as follows:



	Three Months Ended June 30,
	2013		2012
Earnings for basic computations (a)	$	69,998	$	60,693
Weighted-average Class A Common Stock outstanding	135,538,602		127,932,803
Weighted-average Class B Non-Voting Common Stock outstanding	1,348,912		2,474,453
Weighted-average Class C Restricted Common Stock outstanding	1,156,992		1,260,620
Total weighted-average common shares outstanding for basic computations	138,044,506		131,667,876
Earnings for diluted computations (a)	$	70,014	$	60,693
Dilutive stock options and restricted stock	9,193,243		11,009,161
Average number of common shares outstanding for diluted computations	147,237,749		142,677,037
Earnings per common share
Basic	$	0.51	$	0.46
Diluted	$	0.48	$	0.43

Accounts Receivable, Net (Tables)

3 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Accounts receivable, net

Accounts receivable, net consisted of the following:



	June 30, 2013			March 31, 2013
Current
Accounts receivable–billed	$	456,874		$	431,770
Accounts receivable–unbilled	540,708			598,004
Allowance for doubtful accounts	(2,028		)	(188		)
Accounts receivable, net	995,554			1,029,586
Long-term
Unbilled receivables	23,274			19,779
Total accounts receivable, net	$	1,018,828		$	1,049,365

Accounts Payable and Other Accrued Expenses (Tables)

3 Months Ended

Jun. 30, 2013

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

Accounts payable and other accrued expenses consisted of the following:



	June 30, 2013		March 31, 2013
Vendor payables	$	259,623	$	248,471
Accrued expenses	218,074		202,594
Total accounts payable and other accrued expenses	$	477,697	$	451,065

Accrued Compensation and Benefits (Tables)

3 Months Ended

Jun. 30, 2013

Accrued Compensation and Benefits [Abstract]

Accrued compensation and benefits

Accrued compensation and benefits consisted of the following:



	June 30, 2013		March 31, 2013
Bonus	$	20,383	$	89,389
Retirement	81,429		83,071
Vacation	133,202		136,528
Stock-based compensation liability (Note 14)	35,391		48,468
Other	29,550		27,977
Total accrued compensation and benefits	$	299,955	$	385,433

Debt (Tables)

3 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Debt

Debt consisted of the following:



	June 30, 2013					March 31, 2013
	Interest Rate		Outstanding Balance			Interest Rate		Outstanding Balance
Tranche A Loans	2.70	%	$	697,122		2.70	%	$	706,134
Tranche B Loans	4.50	%	1,006,861			4.50	%	1,009,039
Total			1,703,983					1,715,173
Less: Current portion of long-term debt			(60,094		)			(55,562		)
Long-term debt, net of current portion			$	1,643,889				$	1,659,611

Other Long-Term Liabilities (Tables)

3 Months Ended

Jun. 30, 2013

Other Liabilities Disclosure [Abstract]

Other Long-Term Liabilities

Other long-term liabilities consisted of the following:



	June 30, 2013		March 31, 2013
Income tax reserve	$	57,297	$	57,018
Deferred rent	32,154		40,548
Deferred compensation	27,354		26,443
Stock-based compensation	53,369		50,625
Deferred payment obligation	61,228		61,473
Postretirement benefit obligations	85,443		83,761
Other	6,201		6,610
Total other long-term liabilities	$	323,046	$	326,478

Employee Benefit Plans (Tables)

3 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Components of net postretirement medical expense

The components of net postretirement medical expense for the Officer Medical Plan were as follows:



	Three Months Ended June 30,
	2013		2012
Service cost	$	1,186	$	973
Interest cost	924		787
Net actuarial loss	713		384
Total postretirement medical expense	$	2,823	$	2,144

Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Jun. 30, 2013

Equity [Abstract]

Schedule of accumulated other comprehensive loss

The following table represents a rollforward of amounts recognized in accumulated other comprehensive loss, net of tax:



	Three Months Ended June 30,
	2013			2012
Beginning of year	$	(13,787	)	$	(8,715	)
Other comprehensive loss before reclassifications	—			(282		)
Amounts reclassified from accumulated other comprehensive loss	424			381
Net current-period other comprehensive loss	424			99
End of year	$	(13,363	)	$	(8,616	)

Reclassification out of accumulated other comprehensive loss to net income

The following table presents the reclassifications out of accumulated other comprehensive loss to net income:



	Three Months Ended June 30,
	2013			2012
Amortization of net actuarial loss included in net periodic benefit cost (See Note 11)
Total before tax	$	(713	)	$	(381	)
Tax benefit	289			—
Net of tax	$	(424	)	$	(381	)

Stockholders' Equity (Tables)

3 Months Ended

Jun. 30, 2013

Equity [Abstract]

Common stock shares activity

The common stock shares activity consisted of the following:



	Class A Common Stock	Class B Non-Voting Common Stock		Class C Restricted Common Stock		Class E Special Voting Common Stock		Treasury Stock
Balance at March 31, 2012	128,726,324	2,487,125		1,533,020		10,140,067		(333,775	)
Issuance of common stock	1,182,004	—		—		—		—
Stock options exercised	5,204,890	—		—		(2,661,545)		—
Share exchange	1,344,226	(1,035,525)		(308,701)		—		—
Repurchase of common stock (1)	—	—		—		—		(72,068)
Balance at March 31, 2013	136,457,444	1,451,600		1,224,319		7,478,522		(405,843)
Issuance of common stock	77,801	—		—		—		—
Stock options exercised	570,167	—		—		(234,315	)	—
Share exchange	535,713	(348,270	)	(187,443	)	—		—
Repurchase of common stock (2)	—	—		—		—		(147,330)
Balance at June 30, 2013	137,641,125	1,103,330		1,036,876		7,244,207		(553,173)


(1)	Reflects shares repurchased on July 2, 2012 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2012.


(2)	Reflects shares repurchased on June 30, 2013 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2013 and shares repurchased for the withholding taxes on accelerated restricted stock vesting for departing officers.

Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based compensation expense recognized in the condensed consolidated statements of operations

The following table summarizes stock-based compensation expense recognized in the condensed consolidated statements of operations:



	Three Months Ended June 30,
	2013		2012
Cost of revenue	$	1,477	$	1,927
General and administrative expenses	3,669		4,835
Total	$	5,146	$	6,762

The following table summarizes the total stock-based compensation expense recognized in the condensed consolidated statements of operations by the following types of equity awards:



	Three Months Ended June 30,
	2013		2012
Class C Restricted Stock	$	59	$	133
Rollover Options	578		1,237
Equity Incentive Plan	2,102		4,104
Class A Restricted Common Stock	2,407		1,288
Total	$	5,146	$	6,762

Schedule of unrecognized compensation cost

Absent the effect of accelerating stock compensation cost for any departures of employees who may continue to vest in their equity awards, the following table summarizes the unrecognized compensation cost and the weighted average period the cost is expected to be amortized.



	June 30, 2013
	Unrecognized Compensation Cost		Weighted Average Remaining Period to be Recognized
Equity Incentive Plan	$	13,029	3.53
Class A Restricted Common Stock	4,302		1.81
Total	$	17,331

Recorded stock-based compensation liabilities

The total recorded stock-based compensation liability as of June 30, 2013 and March 31, 2013 is as follows:



	June 30, 2013						March 31, 2013
	EIP Options		Rollover Options		Total		EIP Options		Rollover Options		Total
Current portion of liability¹	$	1,352	$	34,039	$	35,391	$	14,429	$	34,039	$	48,468
Long-term portion of liability²	—		53,369		53,369		—		50,625		50,625
	$	1,352	$	87,408	$	88,760	$	14,429	$	84,664	$	99,093

¹ Included in accrued compensation and benefits (Note 7).

²Included in other long-term liabilities.

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References + Details

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References + Details

Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Fair value of cash and cash equivalents

The following tables set forth by level represent the fair value of the Company's cash and cash equivalents as of June 30, 2013.



	Fair Value of Cash and Cash Equivalents as of June 30, 2013
	Level 1	Level 2	Level 3	Total
Cash and cash equivalents	$137,520	—	—	$137,520
Money market funds (a)	—	$247,839	—	$247,839
Total cash and cash equivalents	$137,520	$247,839	—	$385,359

- Definition

Tabular disclosure related to assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. Disclosures include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3) as well as transfers between levels 1 and 2.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a,b,bb)
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2C
-URI http://asc.fasb.org/extlink&oid=7578670&loc=SL7498348-110258

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 33
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 6
-Footnote 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Business Overview Business Overview (Details)	Jun. 30, 2013 employees
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of employees	23,400

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings for basic computations	$ 69,998	$ 60,693
Weighted-average common shares outstanding for basic computations	138,044,506	131,667,876
Earnings for diluted computations	$ 70,014	$ 60,693
Dilutive stock options and restricted stock	9,193,243	11,009,161
Average number of common shares outstanding for diluted computations	147,237,749	142,677,037
Earnings per common share, Basic	$ 0.51	$ 0.46
Earnings per common share, Diluted	$ 0.48	$ 0.43
Unvested shares, cash dividends paid	$ 13,864	$ 0
Restricted stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Unvested shares participating in the payment of the Company's dividends declared	600,000	800,000
Unvested shares, cash dividends paid	$ 62	$ 1,300
Undistributed earnings allocated to participating securities, basic	253
Undistributed earnings allocated to participating securities, diluted	$ 237
Stock options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive options excluded from the computation of EPS	990,000	2,480,000
Common stock, Class A
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding for basic computations	135,538,602	127,932,803
Non-voting common stock, Class B
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding for basic computations	1,348,912	2,474,453
Restricted common stock, Class C
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding for basic computations	1,156,992	1,260,620

Acquisitions Acquisitions (Details) - USD ($) $ in Thousands	Nov. 30, 2012	Jun. 30, 2013	Mar. 31, 2013
Business Acquisition [Line Items]
Business acquisition, goodwill		$ 1,277,123	$ 1,277,369
Defense Systems Engineering and Support (DSES) division of ARINC Incorporated
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%
Business acquisition, cash paid	$ 155,100
Business acquisition, preliminary purchase price	154,000
Business acquisition, preliminary working capital adjustment	1,100
Business acquisition, final recovery from acquiree	3,600
Business acquisition, purchase price allocation	151,500
Business acquisition, goodwill	86,900
Business acquisition, amortizable intangible assets	$ 26,500
Acquired finite-lived intangible assets, weighted average useful life	7 years

Accounts Receivable, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Current
Accounts receivable–billed	$ 456,874		$ 431,770
Accounts receivable–unbilled	540,708		598,004
Allowance for doubtful accounts	(2,028)		(188)
Accounts receivable, net	995,554		1,029,586
Long-term
Unbilled receivables	23,274		19,779
Total accounts receivable, net	1,018,828		$ 1,049,365
Provision for doubtful accounts	$ 2,000	$ 740

Accounts Payable and Other Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2013	Mar. 31, 2013
Payables and Accruals [Abstract]
Vendor payables	$ 259,623	$ 248,471
Accrued expenses	218,074	202,594
Total accounts payable and other accrued expenses	$ 477,697	$ 451,065

Accrued Compensation and Benefits (Details) - USD ($) $ in Thousands	Jun. 30, 2013	Mar. 31, 2013
Accrued Compensation and Benefits [Abstract]
Bonus	$ 20,383	$ 89,389
Retirement	81,429	83,071
Vacation	133,202	136,528
Stock Based Compensation Liability	35,391	48,468
Other	29,550	27,977
Total accrued compensation and benefits	$ 299,955	$ 385,433

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

Debt (Details) - USD ($)	3 Months Ended
Debt (Details) - USD ($)	Jun. 30, 2013	Mar. 31, 2013
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt	$ 1,703,983,000	$ 1,715,173,000
Less: Current portion of long-term debt	(60,094,000)	(55,562,000)
Long-term debt, net of current portion	1,643,889,000	1,659,611,000
Long-term debt, unamortized discount	$ 11,100,000	$ 11,600,000
Secured Debt \| Tranche A Loans
Long-term Debt, Current and Noncurrent [Abstract]
Interest rate	2.70%	2.70%
Long-term debt	$ 697,122,000	$ 706,134,000
Term loan, face amount	$ 725,000,000
Quarterly principal periodic payment percentage	1.25%
Quarterly principal periodic payment percentage, year two	1.875%
Quarterly principal periodic payment percentage, year three	2.50%
Quarterly principal periodic payment percentage, year four	3.125%
Quarterly principal periodic payment percentage, year five	13.00%
Long-term debt, variable rate basis	LIBOR
Long-term debt, basis spread on variable rate	2.50%
Secured Debt \| Tranche A Loans \| Minimum
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt, basis spread on variable rate	2.00%
Secured Debt \| Tranche A Loans \| Maximum
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt, basis spread on variable rate	2.75%
Secured Debt \| Tranche B Loans
Long-term Debt, Current and Noncurrent [Abstract]
Interest rate	4.50%	4.50%
Long-term debt	$ 1,006,861,000	$ 1,009,039,000
Term loan, face amount	$ 1,025,000,000
Quarterly principal periodic payment percentage	0.25%
Quarterly principal periodic payment percentage, year two	0.25%
Quarterly principal periodic payment percentage, year three	0.25%
Quarterly principal periodic payment percentage, year four	0.25%
Quarterly principal periodic payment percentage, year five	0.25%
Long-term debt, variable rate basis	LIBOR
Long-term debt, basis spread on variable rate	3.50%
Secured Debt \| Tranche B Loans \| Minimum
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt, basis spread on variable rate	1.00%
Revolving Credit Facility
Long-term Debt, Current and Noncurrent [Abstract]
Revolving credit facility, maximum borrowing capacity	$ 500,000,000
Revolving credit facility, amount outstanding	0.0
Letter of Credit
Long-term Debt, Current and Noncurrent [Abstract]
Revolving credit facility, maximum borrowing capacity	$ 100,000,000

Income Taxes (Details)	3 Months Ended
Income Taxes (Details)	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Effective income tax rate	40.40%	39.90%
Statutory rate	35.00%

Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2013	Mar. 31, 2013
Other Liabilities Disclosure [Abstract]
Income tax reserve	$ 57,297	$ 57,018
Deferred rent	32,154	40,548
Deferred compensation	27,354	26,443
Stock-based compensation	53,369	50,625
Deferred payment obligation	61,228	61,473
Postretirement benefit obligations	85,443	83,761
Other	6,201	6,610
Total other long-term liabilities	$ 323,046	$ 326,478

- Definition

For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.

+ References + Details

- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=21915240&loc=d3e1703-114919

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2410-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
Employee Benefit Plans (Details) - USD ($) $ in Thousands	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Employees’ Capital Accumulation Plan, Total expense recognized	$ 41,600	$ 59,600
Employees’ Capital Accumulation Plan, Company-paid contributions	43,200	41,300
Officer Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,186	973
Interest cost	924	787
Net actuarial loss	713	384
Total benefit cost	2,823	$ 2,144
Defined benefit plan, unfunded status of plan	$ 80,400		$ 78,700

Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Equity [Abstract]
Beginning of year	$ (13,787)	$ (8,715)
Other comprehensive loss before reclassifications	0	(282)
Amounts reclassified from accumulated other comprehensive loss	424	381
Net current-period other comprehensive loss	424	99
End of year	$ (13,363)	$ (8,616)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e637-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e681-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 31
-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
-Paragraph 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14, 17, 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Accumulated Other Comprehensive Loss (Reclassifications out of Accumulated Other Comprehensive Loss to Net Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense) benefit	$ (47,702)	$ (41,062)
Reclassification out of Accumulated Other Comprehensive Income \| Accumulated Defined Benefit Plans Adjustment
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(713)	(381)
Tax (expense) benefit	289	0
Net of tax	$ (424)	$ (381)

Stockholders' Equity (Common Stock Shares Activity) (Details) - shares

3 Months Ended

12 Months Ended

Jun. 30, 2013

Apr. 02, 2013

Jun. 30, 2013

Mar. 31, 2013

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Treasury stock, shares, beginning of period

(405,843)

(333,775)

Repurchase of common stock

137,111

10,219

147,330

^[1]

72,068

^[2]

Treasury stock, shares, end of period

(553,173)

(405,843)

Common stock, Class A

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Common stock, shares issued, beginning of period

136,457,444

128,726,324

Issuance of common stock

77,801

1,182,004

Stock options exercised

570,167

5,204,890

Share exchange

535,713

1,344,226

Common stock, shares issued, end of period

137,641,125

136,457,444

Non-voting common stock, Class B

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Common stock, shares issued, beginning of period

1,451,600

2,487,125

Share exchange

(348,270)

(1,035,525)

Common stock, shares issued, end of period

1,103,330

1,451,600

Restricted common stock, Class C

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Common stock, shares issued, beginning of period

1,224,319

1,533,020

Share exchange

(187,443)

(308,701)

Common stock, shares issued, end of period

1,036,876

1,224,319

Special voting common stock, Class E

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Common stock, shares issued, beginning of period

7,478,522

10,140,067

Stock options exercised

(234,315)

(2,661,545)

Common stock, shares issued, end of period

7,244,207

7,478,522

[1]	Reflects shares repurchased on June 30, 2013 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2013 and shares repurchased for the withholding taxes on accelerated restricted stock vesting for departing officers.
[2]	Reflects shares repurchased on July 2, 2012 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2012.

Stockholders' Equity (Employee Stock Purchase Plan) (Details) - shares	3 Months Ended	32 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Employee Stock Purchase Plan \| Common stock, Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased by employees under the employee stock purchase plan	77,801	1,096,342

Stock-Based Compensation (Stock-based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 5,146	$ 6,762
Rollover Options \| Restricted stock \| Restricted common stock, Class C
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	59	133
Rollover Options \| Stock options
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	578	1,237
EIP \| Stock options
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2,102	4,104
Annual Incentive Plan \| Restricted stock \| Common stock, Class A
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2,407	1,288
Cost of revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,477	1,927
General and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 3,669	$ 4,835

Stock-Based Compensation (Unrecognized Compensation) (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2013 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock-based compensation agreements	$ 17,300
Unrecognized compensation cost, amortization period	5 years
EIP \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock-based compensation agreements	$ 13,029
Unrecognized compensation cost, amortization period	3 years 6 months 12 days
Annual Incentive Plan \| Restricted stock \| Common stock, Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock-based compensation agreements	$ 4,302
Unrecognized compensation cost, amortization period	1 year 9 months 23 days

Stock-Based Compensation (Stock Plans) (Details) - USD ($)
$ / shares in Units, $ in Millions

3 Months Ended

12 Months Ended

Jun. 30, 2013

May 23, 2013

Apr. 02, 2013

Jun. 30, 2013

Mar. 31, 2013

^[2]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Repurchase of common stock, in shares

137,111

10,219

147,330

^[1]

72,068

Repurchase of common stock, cost per share

$ 17.38

$ 13.45

Repurchase of common stock

$ 2.5

Stock options | EIP

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock options granted

880,000

Stock options granted, value, per share

$ 18.35

Stock options outstanding

9,123,687

Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number

3,621,154

[1]	Reflects shares repurchased on June 30, 2013 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2013 and shares repurchased for the withholding taxes on accelerated restricted stock vesting for departing officers.
[2]	Reflects shares repurchased on July 2, 2012 to cover for the withholding taxes on restricted stock awards that vested on June 30, 2012.

Stock-Based Compensation (Recorded and Unrecorded Stock-based Compensation Liability) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payment of dividend equivalents	$ 13,864	$ 0
Stock-based compensation liability, noncurrent	53,369		$ 50,625
Special Cash Dividend
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recorded and unrecorded stock-based compensation liability, current and noncurrent	92,300		106,400
Stock options \| Special Cash Dividend
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation liability, current	35,391		48,468
Stock-based compensation liability, noncurrent	53,369		50,625
Stock-based compensation liability, current and noncurrent	88,760		99,093
Stock options \| Special Cash Dividend \| EIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement, plan modification, incremental compensation cost recognized in period	117
Share-based compensation arrangement, plan modification, incremental compensation cost, deferred	$ 1,200
Share-based compensation arrangement, plan modification, incremental compensation cost, deferred, recognition period	4 years
Payment of dividend equivalents	$ 13,900
Stock-based compensation liability, current	1,352		14,429
Stock-based compensation liability, current and noncurrent	1,352		14,429
Unrecorded stock-based compensation liability, current and noncurrent	3,500		4,500
Stock options \| Special Cash Dividend \| Rollover Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation liability, current	34,039		34,039
Stock-based compensation liability, noncurrent	53,369		50,625
Stock-based compensation liability, current and noncurrent	$ 87,408		84,664
Unrecorded stock-based compensation liability, current and noncurrent			$ 2,800

Financial Instruments (Details) - Fair Value, Measurements, Recurring
$ in Thousands

Jun. 30, 2013

USD ($)

Level 1

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

$ 137,520

Level 1 | Cash and cash equivalents

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

137,520

Level 2

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

247,839

Level 2 | Money market fund

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

247,839

^[1]

Total

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

385,359

Total | Cash and cash equivalents

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

137,520

Total | Money market fund

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Total cash and cash equivalents

$ 247,839

^[1]

[1]	Level two cash and cash equivalents are invested in money market funds that are intended to maintain a stable net asset value of $1.00 per share by investing in liquid, high quality U.S. dollar-denominated money market instruments.

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Company may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months.

+ References + Details

Related Party Transactions (Details) - USD ($)	3 Months Ended
Related Party Transactions (Details) - USD ($)	Jun. 30, 2013	Jun. 30, 2012	Jul. 31, 2008
Related Party Transactions [Abstract]
Revenue associated with related parties	$ 96,000	$ 150,000
Cost associated with related parties	82,000	144,000
Management agreement, annual fee			$ 1,000,000
Management agreement, advisory fees	$ 250,000	$ 250,000

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References + Details

Commitments and Contingencies (Details) $ in Millions	3 Months Ended
Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2013 USD ($) leases	Jun. 30, 2012	Mar. 31, 2013 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Number of facility leases assigned to Booz & Co., outstanding \| leases	9
Maximum potential amount of undiscounted future lease payments	$ 22.0
Liability for reductions and/or penalties from U.S Governement audits	$ 167.5		$ 156.2
Contracts with U.S. government agencies or other U.S. government contractors
Concentration Risk [Line Items]
Concentration risk, percentage	99.00%	98.00%

Commitments and Contingencies (Litigation) (Details) $ in Millions	3 Months Ended	12 Months Ended	17 Months Ended	39 Months Ended
	Jun. 30, 2013 USD ($) claims	Mar. 31, 2013 USD ($)	Dec. 15, 2009 claims plaintiffs	Jun. 30, 2013 claims	Jul. 02, 2010 claims
Legal proceedings and investigations arising in the ordinary course of business \| Maximum
Loss Contingencies [Line Items]
Loss contingencies, damages sought, value \| $	$ 40.0
Former stockholder litigation
Loss Contingencies [Line Items]
Loss contingencies, number of plaintiffs \| plaintiffs			6
Loss contingencies, new claims filed, number			9
Loss contingencies, claims amended, number					3
Loss contingencies, claims dismissed, number				2
Loss contingencies, damages sought, value \| $	$ 348.7	$ 348.7
Former stockholder litigation \| United States District Court for the Southern District of New York
Loss Contingencies [Line Items]
Loss contingencies, pending claims, number	5			5
Former stockholder litigation \| New York state court
Loss Contingencies [Line Items]
Loss contingencies, pending claims, number	1			1
Former stockholder litigation \| United States District Court for the Southern District of California
Loss Contingencies [Line Items]
Loss contingencies, pending claims, number	1			1
Former stockholder litigation \| RICO
Loss Contingencies [Line Items]
Loss contingencies, damages sought, value \| $	$ 291.5	$ 291.5