Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 559,224	$ 490,653
Cost of revenue, excluding depreciation and amortization	375,666	344,799
Gross margin	$ 183,558	$ 145,854
Gross margin percentage	32.80%	29.70%
PDS
Segment Reporting Information [Line Items]
Revenue	$ 459,998	$ 395,009
Cost of revenue, excluding depreciation and amortization	325,313	294,874
Gross margin	$ 134,685	$ 100,135
Gross margin percentage	29.30%	25.40%
HHH
Segment Reporting Information [Line Items]
Revenue	$ 56,733	$ 54,613
Cost of revenue, excluding depreciation and amortization	25,993	25,639
Gross margin	$ 30,740	$ 28,974
Gross margin percentage	54.20%	53.10%
MS
Segment Reporting Information [Line Items]
Revenue	$ 42,493	$ 41,031
Cost of revenue, excluding depreciation and amortization	24,360	24,286
Gross margin	$ 18,133	$ 16,745
Gross margin percentage	42.70%	40.80%