Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Segment Reporting Information [Line Items]
Revenue	$ 450,534	$ 417,160
Cost of revenue, excluding depreciation and amortization	305,708	285,477
Gross margin	$ 144,826	$ 131,683
Gross margin percentage	32.10%	31.60%
PDS
Segment Reporting Information [Line Items]
Revenue	$ 350,190	$ 350,827
Cost of revenue, excluding depreciation and amortization	251,874	248,997
Gross margin	$ 98,316	$ 101,830
Gross margin percentage	28.10%	29.00%
HHH
Segment Reporting Information [Line Items]
Revenue	$ 66,623	$ 31,518
Cost of revenue, excluding depreciation and amortization	34,168	17,329
Gross margin	$ 32,455	$ 14,189
Gross margin percentage	48.70%	45.00%
MS
Segment Reporting Information [Line Items]
Revenue	$ 33,721	$ 34,815
Cost of revenue, excluding depreciation and amortization	19,666	19,151
Gross margin	$ 14,055	$ 15,664
Gross margin percentage	41.70%	45.00%