Revenues (Tables)

3 Months Ended

Mar. 28, 2021

Revenue from Contract with Customer [Abstract]

Disaggregated Revenues

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

	Three Months Ended March 28, 2021
	GMS		NSS		Total
DoD	$	162,433	$	82,200	$	244,633
Other U.S. government agencies	268,785		120,095		388,880
Commercial and non-U.S. customers	90,343		24,711		115,054
Total	$	521,561	$	227,006	$	748,567

	Three Months Ended March 29, 2020
	GMS		NSS		Total
DoD	$	187,605	$	67,178	$	254,783
Other U.S. government agencies	250,042		70,722		320,764
Commercial and non-U.S. customers	19,797		21,909		41,706
Total	$	457,444	$	159,809	$	617,253

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

	Three Months Ended March 28, 2021
	GMS		NSS		Total
Cost-reimbursable	$	260,920	$	90,093	$	351,013
Fixed-price	181,304		82,517		263,821
Time and materials	79,337		54,396		133,733
Total	$	521,561	$	227,006	$	748,567

	Three Months Ended March 29, 2020
	GMS		NSS		Total
Cost-reimbursable	$	266,080	$	36,903	$	302,983
Fixed-price	162,038		68,958		230,996
Time and materials	29,326		53,948		83,274
Total	$	457,444	$	159,809	$	617,253

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

	Three Months Ended March 28, 2021
	GMS		NSS		Total
United States	$	288,772	$	225,870	$	514,642
International	232,789		1,136		233,925
Total	$	521,561	$	227,006	$	748,567

	Three Months Ended March 29, 2020
	GMS		NSS		Total
United States	$	248,909	$	158,139	$	407,048
International	208,535		1,670		210,205
Total	$	457,444	$	159,809	$	617,253