Revenues (Tables)

12 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenues

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

	Year Ended June 30, 2024						Year Ended June 30, 2023						Year Ended June 30, 2022
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	4,654,689	$	—	$	4,654,689	$	3,896,725	$	—	$	3,896,725	$	3,632,359	$	—	$	3,632,359
Fixed-price	1,950,286		140,893		2,091,179		1,888,414		135,554		2,023,968		1,690,480		132,741		1,823,221
Time-and-materials	827,770		86,194		913,964		727,799		54,054		781,853		688,220		59,117		747,337
Total	$	7,432,745	$	227,087	$	7,659,832	$	6,512,938	$	189,608	$	6,702,546	$	6,011,059	$	191,858	$	6,202,917

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

	Year Ended June 30, 2024						Year Ended June 30, 2023						Year Ended June 30, 2022
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Department of Defense	$	5,695,408	$	—	$	5,695,408	$	4,817,470	$	—	$	4,817,470	$	4,331,327	$	—	$	4,331,327
Federal civilian agencies	1,588,262		—		1,588,262		1,533,295		—		1,533,295		1,549,791		—		1,549,791
Commercial and other	149,075		227,087		376,162		162,173		189,608		351,781		129,941		191,858		321,799
Total	$	7,432,745	$	227,087	$	7,659,832	$	6,512,938	$	189,608	$	6,702,546	$	6,011,059	$	191,858	$	6,202,917

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

	Year Ended June 30, 2024						Year Ended June 30, 2023						Year Ended June 30, 2022
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Prime contractor	$	6,649,114	$	200,735	$	6,849,849	$	5,801,840	$	171,860	$	5,973,700	$	5,389,870	$	175,052	$	5,564,922
Subcontractor	783,631		26,352		809,983		711,098		17,748		728,846		621,189		16,806		637,995
Total	$	7,432,745	$	227,087	$	7,659,832	$	6,512,938	$	189,608	$	6,702,546	$	6,011,059	$	191,858	$	6,202,917

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

	Year Ended June 30, 2024						Year Ended June 30, 2023						Year Ended June 30, 2022
	Domestic		International		Total		Domestic		International		Total		Domestic		International		Total
Expertise	$	3,473,434	$	83,555	$	3,556,989	$	3,021,621	$	69,751	$	3,091,372	$	2,796,038	$	73,279	$	2,869,317
Technology	3,959,311		143,532		4,102,843		3,491,317		119,857		3,611,174		3,215,021		118,579		3,333,600
Total	$	7,432,745	$	227,087	$	7,659,832	$	6,512,938	$	189,608	$	6,702,546	$	6,011,059	$	191,858	$	6,202,917

Contract Assets and Liabilities

Contract balances consisted of the following (in thousands):

Description of Contract Related Balance	Financial Statement Classification	June 30, 2024		June 30, 2023
Billed and billable receivables	Accounts receivable, net	$	885,552	$	763,547
Contract assets – current unbilled receivables	Accounts receivable, net	145,759		131,399
Contract assets – current costs to obtain	Prepaid expenses and other current assets	6,142		5,163
Contract assets – noncurrent unbilled receivables	Accounts receivable, long-term	13,311		11,857
Contract assets – noncurrent costs to obtain	Other long-term assets	12,310		8,294
Contract liabilities – current deferred revenue and other contract liabilities	Other accrued expenses and current liabilities	(139,745)		(138,469)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	Other long-term liabilities	(4,607)		(5,522)