Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Sep. 24, 2022
Finite Lived Intangible Assets [Line Items]
Other intangible assets, gross		$ 620,254	$ 568,822
Accumulated amortization		(539,701)	(528,820)
Other intangible assets, net		80,553	40,002
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Other intangible assets, gross	[1]	572,347	526,665
Accumulated amortization		(502,436)	(492,968)
Noncompete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Other intangible assets, gross	[1]	40,840	40,190
Accumulated amortization		(35,011)	(34,137)
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Other intangible assets, gross	[1]	7,067	1,967
Accumulated amortization		$ (2,254)	$ (1,715)

[1] Reflects the impact from acquisitions (See Note 4).