Revenues and Contract Balances (Tables)

9 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenues

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

	Three Months Ended March 31, 2024						Nine Months Ended March 31, 2024
	Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	1,174,219	$	—	$	1,174,219	$	3,411,128	$	—	$	3,411,128
Fixed-price	484,980		36,007		520,987		1,437,282		105,326		1,542,608
Time-and-materials	218,787		23,463		242,250		604,752		63,049		667,801
Total	$	1,877,986	$	59,470	$	1,937,456	$	5,453,162	$	168,375	$	5,621,537

	Three Months Ended March 31, 2023						Nine Months Ended March 31, 2023
	Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	1,008,688	$	—	$	1,008,688	$	2,896,778	$	—	$	2,896,778
Fixed-price	494,095		35,691		529,786		1,420,858		100,057		1,520,915
Time-and-materials	191,696		14,100		205,796		540,913		40,839		581,752
Total	$	1,694,479	$	49,791	$	1,744,270	$	4,858,549	$	140,896	$	4,999,445

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

	Three Months Ended March 31, 2024						Nine Months Ended March 31, 2024
	Domestic		International		Total		Domestic		International		Total
Department of Defense	$	1,452,264	$	—	$	1,452,264	$	4,163,079	$	—	$	4,163,079
Federal civilian agencies	381,214		—		381,214		1,178,500		—		1,178,500
Commercial and other	44,508		59,470		103,978		111,583		168,375		279,958
Total	$	1,877,986	$	59,470	$	1,937,456	$	5,453,162	$	168,375	$	5,621,537

	Three Months Ended March 31, 2023						Nine Months Ended March 31, 2023
	Domestic		International		Total		Domestic		International		Total
Department of Defense	$	1,298,700	$	—	$	1,298,700	$	3,554,080	$	—	$	3,554,080
Federal civilian agencies	355,612		—		355,612		1,179,467		—		1,179,467
Commercial and other	40,167		49,791		89,958		125,002		140,896		265,898
Total	$	1,694,479	$	49,791	$	1,744,270	$	4,858,549	$	140,896	$	4,999,445

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

	Three Months Ended March 31, 2024						Nine Months Ended March 31, 2024
	Domestic		International		Total		Domestic		International		Total
Prime contractor	$	1,689,140	$	52,637	$	1,741,777	$	4,878,820	$	148,696	$	5,027,516
Subcontractor	188,846		6,833		195,679		574,342		19,679		594,021
Total	$	1,877,986	$	59,470	$	1,937,456	$	5,453,162	$	168,375	$	5,621,537

	Three Months Ended March 31, 2023						Nine Months Ended March 31, 2023
	Domestic		International		Total		Domestic		International		Total
Prime contractor	$	1,511,758	$	44,975	$	1,556,733	$	4,339,579	$	128,303	$	4,467,882
Subcontractor	182,721		4,816		187,537		518,970		12,593		531,563
Total	$	1,694,479	$	49,791	$	1,744,270	$	4,858,549	$	140,896	$	4,999,445

Disaggregated revenues by expertise or technology were as follows (in thousands):

	Three Months Ended March 31, 2024						Nine Months Ended March 31, 2024
	Domestic		International		Total		Domestic		International		Total
Expertise	$	895,791	$	21,164	$	916,955	$	2,583,634	$	60,956	$	2,644,590
Technology	982,195		38,306		1,020,501		2,869,528		107,419		2,976,947
Total	$	1,877,986	$	59,470	$	1,937,456	$	5,453,162	$	168,375	$	5,621,537

	Three Months Ended March 31, 2023						Nine Months Ended March 31, 2023
	Domestic		International		Total		Domestic		International		Total
Expertise	$	793,993	$	18,307	$	812,300	$	2,237,146	$	50,977	$	2,288,123
Technology	900,486		31,484		931,970		2,621,403		89,919		2,711,322
Total	$	1,694,479	$	49,791	$	1,744,270	$	4,858,549	$	140,896	$	4,999,445

Schedule of Contract Assets and Liabilities

Contract balances consisted of the following (in thousands):

Description of Contract Related Balance	Financial Statement Classification	March 31, 2024		June 30, 2023
Billed and billable receivables	Accounts receivable, net	$	838,927	$	763,547
Contract assets – current unbilled receivables	Accounts receivable, net	174,750		131,399
Contract assets – current costs to obtain	Prepaid expenses and other current assets	5,898		5,163
Contract assets – noncurrent unbilled receivables	Accounts receivable, long-term	12,557		11,857
Contract assets – noncurrent costs to obtain	Other long-term assets	11,296		8,294
Contract liabilities – current deferred revenue and other contract liabilities	Other accrued expenses and current liabilities	(134,355)		(138,469)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	Other long-term liabilities	(2,999)		(5,522)