Revenues (Tables)

6 Months Ended

Jun. 27, 2021

Revenue from Contract with Customer [Abstract]

Disaggregated Revenues

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

	Three Months Ended June 27, 2021
	GMS		NSS		Total
DoD	$	194,598	$	81,621	$	276,219
Other U.S. government agencies	267,592		131,848		399,440
Commercial and non-U.S. customers	49,153		22,386		71,539
Total	$	511,343	$	235,855	$	747,198

	Six Months Ended June 27, 2021
	GMS		NSS		Total
DoD	$	357,031	$	163,821	$	520,852
Other U.S. government agencies	536,377		251,943		788,320
Commercial and non-U.S. customers	139,496		47,097		186,593
Total	$	1,032,904	$	462,861	$	1,495,765

	Three Months Ended June 28, 2020
	GMS		NSS		Total
DoD	$	204,634	$	62,096	$	266,730
Other U.S. government agencies	260,714		49,434		310,148
Commercial and non-U.S. customers	42,506		23,919		66,425
Total	$	507,854	$	135,449	$	643,303

	Six Months Ended June 28, 2020
	GMS		NSS		Total
DoD	$	392,240	$	129,275	$	521,515
Other U.S. government agencies	510,660		120,156		630,816
Commercial and non-U.S. customers	62,398		45,827		108,225
Total	$	965,298	$	295,258	$	1,260,556

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

	Three Months Ended June 27, 2021
	GMS		NSS		Total
Cost-reimbursable	$	285,552	$	93,653	$	379,205
Fixed-price	159,955		79,036		238,991
Time and materials	65,836		63,166		129,002
Total	$	511,343	$	235,855	$	747,198

	Six Months Ended June 27, 2021
	GMS		NSS		Total
Cost-reimbursable	$	546,472	$	183,747	$	730,219
Fixed-price	341,259		161,553		502,812
Time and materials	145,173		117,561		262,734
Total	$	1,032,904	$	462,861	$	1,495,765

	Three Months Ended June 28, 2020
	GMS		NSS		Total
Cost-reimbursable	$	299,906	$	34,288	$	334,194
Fixed-price	158,247		53,693		211,940
Time and materials	49,701		47,468		97,169
Total	$	507,854	$	135,449	$	643,303

	Six Months Ended June 28, 2020
	GMS		NSS		Total
Cost-reimbursable	$	565,986	$	71,192	$	637,178
Fixed-price	320,285		122,650		442,935
Time and materials	79,027		101,416		180,443
Total	$	965,298	$	295,258	$	1,260,556

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

	Three Months Ended June 27, 2021
	GMS		NSS		Total
United States	$	266,268	$	234,706	$	500,974
International	245,075		1,149		246,224
Total	$	511,343	$	235,855	$	747,198

	Six Months Ended June 27, 2021
	GMS		NSS		Total
United States	$	555,040	$	460,576	$	1,015,616
International	477,864		2,285		480,149
Total	$	1,032,904	$	462,861	$	1,495,765

	Three Months Ended June 28, 2020
	GMS		NSS		Total
United States	$	277,536	$	133,875	$	411,411
International	230,318		1,574		231,892
Total	$	507,854	$	135,449	$	643,303

	Six Months Ended June 28, 2020
	GMS		NSS		Total
United States	$	526,446	$	292,014	$	818,460
International	438,852		3,244		442,096
Total	$	965,298	$	295,258	$	1,260,556