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  <xs:element id="bah_GuarantorObligationsFacility" abstract="false" name="GuarantorObligationsFacility" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bah_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" abstract="true" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
