Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value Measurements (Carrying Value and Estimated Fair Value of Notes) (Details) - Senior Notes - USD ($) $ in Thousands	Sep. 29, 2024	Oct. 01, 2023	Oct. 03, 2021
Series 2019 Class A-2 Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt			$ 570,700
Series 2019 Class A-2 Notes \| Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	$ 699,625	$ 706,875
Series 2019 Class A-2 Notes \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	684,875	640,046
Series 2022 Class A-2 Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	265,375	268,125
Series 2022 Class A-2 Notes \| Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	1,045,000	1,067,000
Series 2022 Class A-2 Notes \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	$ 975,507	$ 903,056