Revenue and Contract Balances (Tables)

6 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Summary of revenue disaggregated by client sector and contract type

The following tables present our revenue disaggregated by client sector and contract type (in thousands):

	Three Months Ended				Six Months Ended
	March 31, 2024		April 2, 2023		March 31, 2024		April 2, 2023
Client Sector:
U.S. federal government (1)	$	407,002	$	382,374	$	789,078	$	658,449
U.S. state and local government	147,551		147,791		298,476		300,985
U.S. commercial	201,407		208,538		423,837		407,494
International (2)	495,656		419,523		968,492		686,063
Total	$	1,251,616	$	1,158,226	$	2,479,883	$	2,052,991
Contract Type:
Fixed-price	$	459,022	$	413,924	$	930,464	$	741,661
Time-and-materials	591,844		533,496		1,141,495		954,066
Cost-plus	200,750		210,806		407,924		357,264
Total	$	1,251,616	$	1,158,226	$	2,479,883	$	2,052,991

(1)    Includes revenue generated under U.S. federal government contracts performed outside the United States.

(2)    Includes revenue generated from non-U.S. clients, primarily in Canada, Australia, Europe and the United Kingdom.

Summary of net contract assets/liabilities

Net contract assets/liabilities consisted of the following (in thousands):

	Balance at
	March 31, 2024		October 1, 2023
Contract assets (1)	$	102,991	$	113,939
Contract liabilities	(373,682)		(335,044)
Net contract liabilities	$	(270,691)	$	(221,105)

(1)    Includes $5.5 million and $6.8 million of contract retentions at March 31, 2024 and October 1, 2023, respectively.

Components of net accounts receivable

Net accounts receivable consisted of the following (in thousands):

	Balance at
	March 31, 2024		October 1, 2023
Billed	$	674,059	$	672,712
Unbilled	368,579		306,788
Total accounts receivable	1,042,638		979,500
Allowance for doubtful accounts	(4,755)		(4,965)
Total accounts receivable, net	$	1,037,883	$	974,535

Remaining performance obligation, expected timing

We expect to satisfy our RUPO at March 31, 2024 over the following periods (in thousands):

	Amount
Within 12 months	$	3,260,974
Beyond	1,448,574
Total	$	4,709,548