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Long-Term Debt - Activity (Details) $ in Thousands						3 Months Ended				12 Months Ended
Long-Term Debt - Activity (Details) $ in Thousands	Jul. 01, 2025 USD ($)	Oct. 09, 2024 USD ($)	Jul. 12, 2024 USD ($)	Sep. 26, 2023 USD ($)	Jul. 01, 2023	Jan. 03, 2026 USD ($)	Sep. 27, 2025 USD ($)	Jun. 28, 2025 USD ($)	Sep. 28, 2024 USD ($)	Jan. 03, 2026 USD ($)	Dec. 28, 2024 USD ($)	Dec. 30, 2023 USD ($)	Jul. 11, 2024 USD ($)	Oct. 12, 2023 USD ($)	Sep. 26, 2019 USD ($)
Information related to senior notes
Revolving credit facility commitments	$ 430,000						$ 475,000
Gain (loss) on extinguishment of debt										$ 2,754	$ (2,126)	$ 911
Amortization of deferred debt financing costs										6,400	5,900	$ 7,500
Gain on Extinguishment of Debt
Outstanding principal						$ 1,968,000				1,968,000
Accrued Interest
Accrued interest						28,400				28,400	$ 31,500
Revolving Credit Facility \| Base rate \| Minimum
Information related to senior notes
Interest rate added to variable base rate (as a percent)			0.50%
Revolving Credit Facility \| Base rate \| Maximum
Information related to senior notes
Interest rate added to variable base rate (as a percent)			1.00%
Revolving Credit Facility \| SOFR \| Minimum
Information related to senior notes
Interest rate added to variable base rate (as a percent)			1.50%
Revolving Credit Facility \| SOFR \| Maximum
Information related to senior notes
Interest rate added to variable base rate (as a percent)			2.00%
Revolving credit loans
Information related to senior notes
Outstanding letters of credit						7,400				7,400
Available borrowing capacity						$ 207,600				$ 207,600
Commitment fees (as a percent)										0.50%
Weighted average interest rate						5.73%				5.73%
Fee paid to consenting lenders	800
Fee paid to consenting lenders, Net of tax	$ 600
Revolving credit loans \| Minimum
Information related to senior notes
Consolidated leverage ratio										1.75
Revolving credit loans \| Maximum
Information related to senior notes
Senior secured leverage ratio						4				4
Revolving credit loans \| Maximum \| Quarter Ended June 28, 2025 Through Quarter Ending October 3, 2026
Information related to senior notes
Consolidated leverage ratio	7.5
Revolving credit loans \| Maximum \| Quarter Ending January 2, 2027
Information related to senior notes
Consolidated leverage ratio	7.25
Revolving credit loans \| Maximum \| Quarters Ending April 3, 2027 And Thereafter
Information related to senior notes
Consolidated leverage ratio	7
Revolving credit loans \| Maximum \| Leverage Ratio Requirement For Restricted Debt Payments And Investments
Information related to senior notes
Consolidated leverage ratio	7
Revolving credit loans \| Maximum \| Leverage Ratio Requirement For Restricted Payments Including Dividends
Information related to senior notes
Consolidated leverage ratio	7.25
Letters of credit facility
Information related to senior notes
Maximum capacity available			$ 475,000			$ 50,000				$ 50,000			$ 800,000
Fronting fee (as a percent)										0.25%
Aggregate principal amount prepaid			$ 175,000
Gain (loss) on extinguishment of debt									$ 600
5.25% senior notes due 2025
Information related to senior notes
Interest rate (as a percent)						5.25%				5.25%				5.25%
Redeemed amount														$ 555,400
Gain (loss) on extinguishment of debt		$ 900				$ 200
Amortization of deferred debt financing costs		300
Gain on Extinguishment of Debt
Gain (loss) on repurchase of debt		1,900
Loss from accelerated amortization of deferred debt financing costs upon partial redemption		$ 1,000
5.25% senior notes due 2027
Information related to senior notes
Debt issuance price (as a percent)															100.00%
Interest rate (as a percent)						5.25%	5.25%	5.25%		5.25%	5.25%				5.25%
Principal amount redeemed or which may redeem (as a percent)							96.00%	89.98%
Gain (loss) on extinguishment of debt										$ 2,900
Aggregate amount of debt repurchased face amount							$ 20,000	$ 20,700		40,700
Aggregate principal amount of debt repurchased							$ 19,200	$ 18,600		37,800
Net interest expense										2,300
Gain on extinguishment of debt , before writeoff										2,900
Gain on Extinguishment of Debt
Write-off of deferred debt financing costs										600
Outstanding principal						$ 509,310				509,310	$ 550,000				$ 550,000
Loss from accelerated amortization of deferred debt financing costs upon partial redemption										$ 600
5.25% senior notes due 2027 \| Debt Instrument, Redemption, Period Three [Member]
Information related to senior notes
Redemption price (as a percent)										100.00%
8.00% senior secured notes due 2028
Information related to senior notes
Debt issuance price (as a percent)			100.50%	99.502%
Interest rate (as a percent)			8.00%	8.00%		8.00%				8.00%	8.00%
Redemption price (as a percent)										101.00%
Aggregate principal amount (as a percent)										100.00%
Net proceeds from issuance of long-term debt				$ 538,300
Gain on Extinguishment of Debt
Outstanding principal						$ 799,315				$ 799,315	$ 799,315
8.00% senior secured notes due 2028 \| Debt Instrument, Redemption, Period Two [Member]
Information related to senior notes
Redemption price (as a percent)										104.00%
8.00% senior secured notes due 2028 \| Debt Instrument, Redemption, Period Three [Member]
Information related to senior notes
Redemption price (as a percent)										102.00%
8.00% senior secured notes due 2028 \| Debt Instrument, Redemption, Period Four [Member]
Information related to senior notes
Redemption price (as a percent)										100.00%
Tranche B Term Loan 2026
Information related to senior notes
Gain (loss) on extinguishment of debt									$ 1,300
Gain on Extinguishment of Debt
Outstanding principal													$ 507,300
Tranche B term loans due 2029
Information related to senior notes
Debt issuance price (as a percent)			99.00%
Amortization rate (as a percent)			0.25%							0.25%
Weighted average interest rate						7.22%				7.22%
Gain on Extinguishment of Debt
Outstanding principal			$ 450,000			$ 444,375				$ 444,375	$ 450,000
Tranche B term loans due 2029 \| Base rate
Information related to senior notes
Interest rate added to variable base rate (as a percent)					2.50%
Tranche B term loans due 2029 \| SOFR
Information related to senior notes
Interest rate added to variable base rate (as a percent)					3.50%