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Long-Term Debt (Details) - USD ($) $ in Thousands	Jan. 03, 2026	Sep. 27, 2025	Jun. 28, 2025	Dec. 28, 2024	Jul. 12, 2024	Jul. 11, 2024	Oct. 12, 2023	Sep. 26, 2023	Sep. 26, 2019
Information related to long-term debt
Outstanding principal	$ 1,968,000
Total long-term debt, net of unamortized deferred debt financing costs and discount	1,950,076			$ 2,020,448
Current portion of long-term debt	(4,500)			(5,625)
Long-term debt, net of unamortized deferred debt financing costs and discount, and excluding current portion	1,945,576			2,014,823
Revolving credit loans due 2028
Information related to long-term debt
Unamortized deferred debt financing costs	(1,700)			(1,400)
Total long-term debt, net of unamortized deferred debt financing costs and discount	215,000			245,000
Tranche B term loans due 2029
Information related to long-term debt
Outstanding principal	444,375			450,000	$ 450,000
Unamortized deferred debt financing costs	(3,703)			(4,497)
Unamortized discount	(3,649)			(4,432)
Total long-term debt, net of unamortized deferred debt financing costs and discount	$ 437,023			441,071
5.25% senior notes due 2025
Information related to long-term debt
Interest rate (as a percent)	5.25%						5.25%
5.25% senior notes due 2027
Information related to long-term debt
Outstanding principal	$ 509,310			550,000					$ 550,000
Unamortized deferred debt financing costs	(1,557)			(3,132)
Total long-term debt, net of unamortized deferred debt financing costs and discount	$ 507,753			$ 546,868
Interest rate (as a percent)	5.25%	5.25%	5.25%	5.25%					5.25%
8.00% senior secured notes due 2028
Information related to long-term debt
Outstanding principal	$ 799,315			$ 799,315
Unamortized deferred debt financing costs	(8,226)			(10,774)
Unamortized discount	(789)			(1,032)
Total long-term debt, net of unamortized deferred debt financing costs and discount	$ 790,300			$ 787,509
Interest rate (as a percent)	8.00%			8.00%	8.00%			8.00%
Tranche B Term Loan 2026
Information related to long-term debt
Outstanding principal						$ 507,300