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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 |

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