v2.4.0.6
Document and Entity Information
9 Months Ended
Dec. 31, 2012
Jan. 29, 2013
Common stock, Class A
Jan. 29, 2013
Non-voting common stock, Class B
Jan. 29, 2013
Restricted common stock, Class C
Jan. 29, 2013
Special voting common stock, Class E
Entity Registrant Name Booz Allen Hamilton Holding Corp        
Entity Central Index Key 0001443646        
Document Type 10-Q        
Document Period End Date Dec. 31, 2012        
Amendment Flag false        
Document Fiscal Year Focus 2013        
Document Fiscal Period Focus Q3        
Current Fiscal Year End Date --03-31        
Entity Filer Category Accelerated Filer        
Entity Common Stock, Shares Outstanding   135,644,646 1,451,600 1,237,436 7,478,522