Revenue and Contract Balances (Tables)

12 Months Ended

Oct. 03, 2021

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:

	Fiscal Year Ended
	October 3, 2021		September 27, 2020		September 29, 2019
	(in thousands)
Client Sector:
U.S. state and local government	$	536,309	$	439,019	$	587,364
U.S. federal government (1)	1,081,608		993,835		941,102
U.S. commercial	638,169		674,605		719,314
International (2)	957,427		887,432		859,568
Total	$	3,213,513	$	2,994,891	$	3,107,348
Contract Type:
Fixed-price	$	1,191,244	$	1,078,432	$	1,048,158
Time-and-materials	1,492,813		1,391,592		1,509,900
Cost-plus	529,456		524,867		549,290
Total	$	3,213,513	$	2,994,891	$	3,107,348

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

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

Summary of net contract assets/liabilities

Net contract liabilities consisted of the following:

	Balance at
	October 3, 2021		September 27, 2020
	(in thousands)
Contract assets (1)	$	103,784	$	92,632
Contract liabilities	190,403		171,905
Net contract liabilities	$	(86,619)	$	(79,273)

(1) Includes $12.2 million and $12.3 million of contract retentions as of October 3, 2021 and September 27, 2020, respectively.

Components of net accounts receivable

Net accounts receivable consisted of the following:

	Balance at
	October 3, 2021		September 27, 2020
	(in thousands)
Billed	$	432,814	$	402,818
Unbilled	240,536		253,364
Total accounts receivable	673,350		656,182
Allowance for doubtful accounts	(4,352)		(7,147)
Total accounts receivable, net	$	668,998	$	649,035

Remaining performance obligation, expected timing

We expect to satisfy our RUPOs as of October 3, 2021 over the following periods:

	Amount
	(in thousands)
Within 12 months	$	2,031,377
Beyond	1,436,456
Total	$	3,467,833