Revenues (Tables)

9 Months Ended

Sep. 26, 2021

Revenue from Contract with Customer [Abstract]

Disaggregated Revenues

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

	Three Months Ended September 26, 2021
	GMS		NSS		Total
DoD	$	129,261	$	87,886	$	217,147
Other U.S. government agencies	288,543		131,212		419,755
Commercial and non-U.S. customers	30,274		22,338		52,612
Total	$	448,078	$	241,436	$	689,514

	Nine Months Ended September 26, 2021
	GMS		NSS		Total
DoD	$	486,292	$	251,706	$	737,998
Other U.S. government agencies	824,920		383,155		1,208,075
Commercial and non-U.S. customers	169,770		69,436		239,206
Total	$	1,480,982	$	704,297	$	2,185,279

	Three Months Ended September 27, 2020
	GMS		NSS		Total
DoD	$	203,693	$	65,354	$	269,047
Other U.S. government agencies	270,344		57,379		327,723
Commercial and non-U.S. customers	47,309		22,161		69,470
Total	$	521,346	$	144,894	$	666,240

	Nine Months Ended September 27, 2020
	GMS		NSS		Total
DoD	$	595,933	$	194,629	$	790,562
Other U.S. government agencies	781,004		177,535		958,539
Commercial and non-U.S. customers	109,706		67,988		177,694
Total	$	1,486,643	$	440,152	$	1,926,795

Revenues by contract type were as follows (in thousands):

	Three Months Ended September 26, 2021
	GMS		NSS		Total
Cost-reimbursable	$	218,152	$	89,948	$	308,100
Fixed-price	191,530		85,287		276,817
Time and materials	38,396		66,201		104,597
Total	$	448,078	$	241,436	$	689,514

	Nine Months Ended September 26, 2021
	GMS		NSS		Total
Cost-reimbursable	$	764,625	$	273,695	$	1,038,320
Fixed-price	532,789		246,840		779,629
Time and materials	183,568		183,762		367,330
Total	$	1,480,982	$	704,297	$	2,185,279

	Three Months Ended September 27, 2020
	GMS		NSS		Total
Cost-reimbursable	$	302,795	$	35,656	$	338,451
Fixed-price	161,024		62,568		223,592
Time and materials	57,527		46,670		104,197
Total	$	521,346	$	144,894	$	666,240

	Nine Months Ended September 27, 2020
	GMS		NSS		Total
Cost-reimbursable	$	868,780	$	106,848	$	975,628
Fixed-price	481,309		185,218		666,527
Time and materials	136,554		148,086		284,640
Total	$	1,486,643	$	440,152	$	1,926,795

Disaggregated revenues by geographic location were as follows (in thousands):

	Three Months Ended September 26, 2021
	GMS		NSS		Total
United States	$	246,903	$	239,723	$	486,626
International	201,175		1,713		202,888
Total	$	448,078	$	241,436	$	689,514

	Nine Months Ended September 26, 2021
	GMS		NSS		Total
United States	$	801,944	$	700,299	$	1,502,243
International	679,038		3,998		683,036
Total	$	1,480,982	$	704,297	$	2,185,279

	Three Months Ended September 27, 2020
	GMS		NSS		Total
United States	$	275,785	$	142,890	$	418,675
International	245,561		2,004		247,565
Total	$	521,346	$	144,894	$	666,240

	Nine Months Ended September 27, 2020
	GMS		NSS		Total
United States	$	802,230	$	434,904	$	1,237,134
International	684,413		5,248		689,661
Total	$	1,486,643	$	440,152	$	1,926,795