Reportable Segments - Reconciliation of Total Reportable Segments' Revenues and EBITDA to Consolidated Revenues and Consolidated Income Before Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2025	Mar. 31, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 624,861	$ 535,675
Depreciation expense	(13,900)	(13,500)
Amortization of intangibles	(13,275)	(10,809)
Operating income	72,626	53,020
Interest expense, net	(10,104)	(7,582)
Non-operating pension benefit (cost)	(441)	231
Consolidated income before taxes	62,081	45,669
Reportable Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	624,861	535,675
Segment EBITDA	104,460	84,533
Depreciation expense	(13,896)	(13,465)
Amortization of intangibles	(13,275)	(10,809)
Severance, restructuring, and acquisition integration costs	(1,698)	(4,212)
Amortization of software development intangible assets	(2,613)	(2,713)
Adjustments related to acquisitions and divestitures	(298)	(298)
Operating income	72,626	53,020
Intersegment Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ (54)	$ (16)