Revenue and Contract Balances (Tables)

12 Months Ended

Oct. 01, 2023

Revenue from Contract with Customer [Abstract]

Summary of revenue disaggregated by client sector and contract type

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

	Fiscal Year Ended
	October 1, 2023		October 2, 2022		October 3, 2021
Client Sector:
U.S. federal government (1)	$	1,387,101	$	1,064,347	$	1,081,608
U.S. state and local government	607,074		603,286		536,309
U.S. commercial	869,460		748,953		638,169
International (2)	1,658,915		1,087,462		957,427
Total	$	4,522,550	$	3,504,048	$	3,213,513
Contract Type:
Fixed-price	$	1,643,849	$	1,317,993	$	1,191,244
Time-and-materials	2,166,671		1,637,019		1,492,813
Cost-plus	712,030		549,036		529,456
Total	$	4,522,550	$	3,504,048	$	3,213,513

(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
	October 1, 2023		October 2, 2022
Contract assets (1)	$	113,939	$	92,405
Contract liabilities	335,044		241,340
Net contract liabilities	$	(221,105)	$	(148,935)

(1) Includes $6.8 million and $23.3 million of contract retentions at fiscal 2023 and 2022 year-ends, respectively.

Components of net accounts receivable

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

	Balance at
	October 1, 2023		October 2, 2022
Billed	$	672,712	$	491,700
Unbilled	306,788		267,161
Total accounts receivable	979,500		758,861
Allowance for doubtful accounts	(4,965)		(3,749)
Total accounts receivable, net	$	974,535	$	755,112

Remaining performance obligation, expected timing

We expect to satisfy our RUPOs as of fiscal 2023 year-end over the following periods (in thousands):

	Amount
Within 12 months	$	3,103,466
Beyond	1,651,611
Total	$	4,755,077