Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Dec. 30, 2023
Finite-lived intangible assets:
Gross Carrying Amount	$ 463,077	$ 426,302
Accumulated Amortization	(225,288)	(199,600)
Net Amount	237,789	226,702
Customer relationships
Finite-lived intangible assets:
Gross Carrying Amount	343,423	314,662
Accumulated Amortization	(133,828)	(116,086)
Net Amount	$ 209,595	198,576
Customer relationships | Minimum
Finite-lived intangible assets:
Useful life (in years)	2 years
Customer relationships | Maximum
Finite-lived intangible assets:
Useful life (in years)	17 years
Trade name
Finite-lived intangible assets:
Gross Carrying Amount	$ 23,340	22,384
Accumulated Amortization	(19,534)	(18,327)
Net Amount	$ 3,806	4,057
Trade name | Minimum
Finite-lived intangible assets:
Useful life (in years)	1 year
Trade name | Maximum
Finite-lived intangible assets:
Useful life (in years)	5 years
Customer backlog
Finite-lived intangible assets:
Gross Carrying Amount	$ 39,416	35,116
Accumulated Amortization	(35,608)	(32,681)
Net Amount	$ 3,808	2,435
Customer backlog | Minimum
Finite-lived intangible assets:
Useful life (in years)	1 year
Customer backlog | Maximum
Finite-lived intangible assets:
Useful life (in years)	10 years
Non-compete
Finite-lived intangible assets:
Gross Carrying Amount	$ 17,745	14,987
Accumulated Amortization	(13,624)	(12,690)
Net Amount	$ 4,121	2,297
Non-compete | Minimum
Finite-lived intangible assets:
Useful life (in years)	1 year
Non-compete | Maximum
Finite-lived intangible assets:
Useful life (in years)	5 years
Developed technology
Finite-lived intangible assets:
Gross Carrying Amount	$ 39,153	39,153
Accumulated Amortization	(22,694)	(19,816)
Net Amount	$ 16,459	$ 19,337
Developed technology | Minimum
Finite-lived intangible assets:
Useful life (in years)	5 years
Developed technology | Maximum
Finite-lived intangible assets:
Useful life (in years)	10 years