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Financial Instruments and Risk Management - Fair Value of the Partnership's Senior Notes (Parenthetical) (Details) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 29, 2025 | Sep. 28, 2024 | Dec. 28, 2022
Bank Debt and Senior Notes [Abstract] |  |  |
Stated interest rate (in hundredths) |  |  | 5.50%
5.875% Senior Notes due March 1, 2027 [Member] |  |  |
Bank Debt and Senior Notes [Abstract] |  |  |
Stated interest rate (in hundredths) | 5.875% | 5.875% |
Maturity date | Mar. 01, 2027 | Mar. 01, 2027 |
5.00% Senior Notes due June 1, 2031 [Member] |  |  |
Bank Debt and Senior Notes [Abstract] |  |  |
Stated interest rate (in hundredths) | 5.00% | 5.00% |
Maturity date | Jun. 01, 2031 | Jun. 01, 2031 |
5.50% Green Bonds Due October 1, 2028 through October 1, 2033 [Member] |  |  |
Bank Debt and Senior Notes [Abstract] |  |  |
Stated interest rate (in hundredths) | 5.50% | 5.50% |
Maturity date | Oct. 01, 2028 | Oct. 01, 2028 |

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