Revenues (Tables)

12 Months Ended

Jun. 30, 2022

Revenue From Contract With Customer [Abstract]

Schedule of Disaggregated Revenues

Disaggregated revenues by contract type were as follows (in thousands):

	Year Ended June 30, 2022						Year Ended June 30, 2021						Year Ended June 30, 2020
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	3,632,359	$	—	$	3,632,359	$	3,504,838	$	—	$	3,504,838	$	3,274,707	$	—	$	3,274,707
Fixed-price		1,690,480		132,741		1,823,221		1,651,343		118,498		1,769,841		1,524,381		105,094		1,629,475
Time-and-materials		688,220		59,117		747,337		712,211		57,245		769,456		757,584		58,276		815,860
Total	$	6,011,059	$	191,858	$	6,202,917	$	5,868,392	$	175,743	$	6,044,135	$	5,556,672	$	163,370	$	5,720,042

Disaggregated revenues by customer type were as follows (in thousands):

	Year Ended June 30, 2022						Year Ended June 30, 2021						Year Ended June 30, 2020
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Department of Defense	$	4,331,327	$	—	$	4,331,327	$	4,185,292	$	—	$	4,185,292	$	3,999,261	$	—	$	3,999,261
Federal civilian agencies		1,549,791		—		1,549,791		1,585,672		—		1,585,672		1,467,801		—		1,467,801
Commercial and other		129,941		191,858		321,799		97,428		175,743		273,171		89,610		163,370		252,980
Total	$	6,011,059	$	191,858	$	6,202,917	$	5,868,392	$	175,743	$	6,044,135	$	5,556,672	$	163,370	$	5,720,042

Disaggregated revenues by prime vs. subcontractor were as follows (in thousands):

	Year Ended June 30, 2022						Year Ended June 30, 2021						Year Ended June 30, 2020
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Prime contractor	$	5,389,870	$	175,052	$	5,564,922	$	5,284,761	$	164,829	$	5,449,590	$	5,057,930	$	153,436	$	5,211,366
Subcontractor		621,189		16,806		637,995		583,631		10,914		594,545		498,742		9,934		508,676
Total	$	6,011,059	$	191,858	$	6,202,917	$	5,868,392	$	175,743	$	6,044,135	$	5,556,672	$	163,370	$	5,720,042

Disaggregated revenues by Expertise or Technology were as follows (in thousands):

	Year Ended June 30, 2022						Year Ended June 30, 2021						Year Ended June 30, 2020
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Expertise	$	2,796,038	$	73,279	$	2,869,317	$	2,901,204	$	71,762	$	2,972,966	$	2,938,379	$	63,133	$	3,001,512
Technology		3,215,021		118,579		3,333,600		2,967,188		103,981		3,071,169		2,618,293		100,237		2,718,530
Total	$	6,011,059	$	191,858	$	6,202,917	$	5,868,392	$	175,743	$	6,044,135	$	5,556,672	$	163,370	$	5,720,042

Contract Assets and Liabilities

Contract balances consisted of the following (in thousands):

Description of Contract Related Balance	Financial Statement Classification	June 30, 2022			June 30, 2021
Billed and billable receivables	Accounts receivable, net	$	800,597		$	763,921
Contract assets – current unbilled receivables	Accounts receivable, net		125,547			115,930
Contract assets – current costs to obtain	Prepaid expenses and other current assets		5,167			4,144
Contract assets – noncurrent unbilled receivables	Accounts receivable, long-term		10,199			12,159
Contract assets – noncurrent costs to obtain	Other long-term assets		10,703			9,584
Contract liabilities – current deferred    revenue and other contract liabilities	Other accrued expenses and current liabilities		(84,810	)		(70,907	)
Contract liabilities – noncurrent deferred    revenue and other contract liabilities	Other long-term liabilities		(7,552	)		(6,837	)