Revenue Recognition (Tables)

9 Months Ended

Mar. 31, 2021

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenue by Contract Type, Customer Information and Prime or Subcontractor

Revenue by Contract Type

The Company generated revenue on our cost-plus-fee, fixed-price, and time-and-materials contracts as follows during the three and nine months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended						Nine Months Ended
	March 31, 2021						March 31, 2021
	Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	905,774	$	—	$	905,774	$	2,572,967	$	—	$	2,572,967
Fixed-price		424,580		32,519		457,099		1,245,278		86,456		1,331,734
Time-and-materials		174,683		14,362		189,045		532,039		43,395		575,434
Total	$	1,505,037	$	46,881	$	1,551,918	$	4,350,284	$	129,851	$	4,480,135

	Three Months Ended						Nine Months Ended
	March 31, 2020						March 31, 2020
	Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	852,700	$	—	$	852,700	$	2,418,891	$	—	$	2,418,891
Fixed-price		376,314		29,422		405,736		1,128,866		83,713		1,212,579
Time-and-materials		190,344		16,820		207,164		550,167		42,824		592,991
Total	$	1,419,358	$	46,242	$	1,465,600	$	4,097,924	$	126,537	$	4,224,461

Customer Group

The Company generated revenue from our primary customer groups as follows during the three and nine months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended						Nine Months Ended
	March 31, 2021						March 31, 2021
	Domestic		International		Total		Domestic		International		Total
Department of Defense	$	1,074,056	$	—	$	1,074,056	$	3,091,126	$	—	$	3,091,126
Federal Civilian agencies		405,855		—		405,855		1,186,068		—		1,186,068
Commercial and other		25,126		46,881		72,007		73,090		129,851		202,941
Total	$	1,505,037	$	46,881	$	1,551,918	$	4,350,284	$	129,851	$	4,480,135

	Three Months Ended						Nine Months Ended
	March 31, 2020						March 31, 2020
	Domestic		International		Total		Domestic		International		Total
Department of Defense	$	1,037,242	$	—	$	1,037,242	$	2,965,263	$	—	$	2,965,263
Federal Civilian agencies		361,320		—		361,320		1,067,342		—		1,067,342
Commercial and other		20,796		46,242		67,038		65,319		126,537		191,856
Total	$	1,419,358	$	46,242	$	1,465,600	$	4,097,924	$	126,537	$	4,224,461

Prime or Subcontractor

The Company generated revenue as either the prime or subcontractor as follows during the three and nine months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended						Nine Months Ended
	March 31, 2021						March 31, 2021
	Domestic		International		Total		Domestic		International		Total
Prime contractor	$	1,358,423	$	43,210	$	1,401,633	$	3,935,661	$	119,835	$	4,055,496
Subcontractor		146,614		3,671		150,285		414,623		10,016		424,639
Total	$	1,505,037	$	46,881	$	1,551,918	$	4,350,284	$	129,851	$	4,480,135

Expertise or Technology

The Company generated revenue by providing expertise or technology solutions to our customers as follows during the three and nine months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended						Nine Months Ended
	March 31, 2021						March 31, 2021
	Domestic		International		Total		Domestic		International		Total
Expertise	$	745,440	$	18,979	$	764,419	$	2,184,449	$	52,929	$	2,237,378
Technology		759,597		27,902		787,499		2,165,835		76,922		2,242,757
Total	$	1,505,037	$	46,881	$	1,551,918	$	4,350,284	$	129,851	$	4,480,135

	Three Months Ended						Nine Months Ended
	March 31, 2020						March 31, 2020
	Domestic		International		Total		Domestic		International		Total
Expertise	$	744,997	$	18,339	$	763,336	$	2,180,498	$	47,225	$	2,227,723
Technology		674,361		27,903		702,264		1,917,426		79,312		1,996,738
Total	$	1,419,358	$	46,242	$	1,465,600	$	4,097,924	$	126,537	$	4,224,461