Segment Reporting (Tables)

3 Months Ended

Mar. 29, 2020

Segment Reporting [Abstract]

Information by Reportable Segment

The following table shows information by reportable segment for the periods presented (in thousands):

	Three Months Ended
	March 29,		March 31,
	2020		2019
Revenues
GMS	$	457,444	$	504,480
NSS	159,809		169,004
Corporate	—		—
Total revenues	$	617,253	$	673,484
Operating income
GMS	$	12,603	$	25,792
NSS	4,367		(786)
Corporate	(9,513)		(10,653)
Total operating income	$	7,457	$	14,353
Amortization of intangible assets
GMS	$	4,115	$	4,258
NSS	3,932		4,399
Corporate	—		—
Total amortization of intangible assets	$	8,047	$	8,657