Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Segment Reporting Information [Line Items]
Revenue	$ 647,915	$ 559,224
Cost of revenue, excluding depreciation and amortization	442,487	375,666
Gross margin	$ 205,428	$ 183,558
Gross margin percentage	31.70%	32.80%
PDS
Segment Reporting Information [Line Items]
Revenue	$ 535,652	$ 459,998
Cost of revenue, excluding depreciation and amortization	386,417	325,313
Gross margin	$ 149,235	$ 134,685
Gross margin percentage	27.90%	29.30%
HHH
Segment Reporting Information [Line Items]
Revenue	$ 66,609	$ 56,733
Cost of revenue, excluding depreciation and amortization	30,833	25,993
Gross margin	$ 35,776	$ 30,740
Gross margin percentage	53.70%	54.20%
MS
Segment Reporting Information [Line Items]
Revenue	$ 45,654	$ 42,493
Cost of revenue, excluding depreciation and amortization	25,237	24,360
Gross margin	$ 20,417	$ 18,133
Gross margin percentage	44.70%	42.70%