Revenues and Contract Balances (Tables)

9 Months Ended

Mar. 31, 2025

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, 2025						Nine Months Ended March 31, 2025
	Domestic		International		Total		Domestic		International		Total
Cost-plus-fee	$	1,316,805	$	—	$	1,316,805	$	3,837,028	$	—	$	3,837,028
Fixed-price	533,735		39,729		573,464		1,537,759		113,820		1,651,579
Time-and-materials	254,580		22,133		276,713		765,810		69,263		835,073
Total	$	2,105,120	$	61,862	$	2,166,982	$	6,140,597	$	183,083	$	6,323,680

	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

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

	Three Months Ended March 31, 2025						Nine Months Ended March 31, 2025
	Domestic		International		Total		Domestic		International		Total
Department of Defense	$	1,652,206	$	—	$	1,652,206	$	4,765,472	$	—	$	4,765,472
Federal civilian agencies	431,453		—		431,453		1,304,515		—		1,304,515
Commercial and other	21,461		61,862		83,323		70,610		183,083		253,693
Total	$	2,105,120	$	61,862	$	2,166,982	$	6,140,597	$	183,083	$	6,323,680

	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

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

	Three Months Ended March 31, 2025						Nine Months Ended March 31, 2025
	Domestic		International		Total		Domestic		International		Total
Prime contractor	$	1,900,648	$	55,105	$	1,955,753	$	5,535,517	$	162,753	$	5,698,270
Subcontractor	204,472		6,757		211,229		605,080		20,330		625,410
Total	$	2,105,120	$	61,862	$	2,166,982	$	6,140,597	$	183,083	$	6,323,680

	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

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

	Three Months Ended March 31, 2025						Nine Months Ended March 31, 2025
	Domestic		International		Total		Domestic		International		Total
Expertise	$	941,805	$	31,232	$	973,037	$	2,794,191	$	93,011	$	2,887,202
Technology	1,163,315		30,630		1,193,945		3,346,406		90,072		3,436,478
Total	$	2,105,120	$	61,862	$	2,166,982	$	6,140,597	$	183,083	$	6,323,680

	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

Schedule of Contract Assets and Liabilities

Contract balances consisted of the following (in thousands):

Description of Contract Related Balance	Financial Statement Classification	March 31, 2025		June 30, 2024
Billed and billable receivables	Accounts receivable, net	$	979,486	$	885,552
Contract assets – current unbilled receivables	Accounts receivable, net	252,805		145,759
Contract assets – current costs to obtain	Prepaid expenses and other current assets	6,885		6,142
Contract assets – noncurrent unbilled receivables	Accounts receivable, long-term	14,722		13,311
Contract assets – noncurrent costs to obtain	Other long-term assets	13,895		12,310
Contract liabilities – current deferred revenue and other contract liabilities	Other accrued expenses and current liabilities	(144,832)		(139,745)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	Other long-term liabilities	(4,009)		(4,607)