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Financial Instruments and Risk Management - Fair Value of Partnership's Recognized Derivative Assets and Liabilities on a Gross Basis and Amounts Offset on Condensed Consolidated Balance Sheets (Details) - Commodity-Related Derivatives [Member] - USD ($)
$ in Thousands
Mar. 25, 2023
Sep. 24, 2022
Asset Derivatives [Abstracts]    
Gross amounts $ 30,163 $ 117,260
Effects of netting (24,677) (82,567)
Net amounts presented in the balance sheet 5,486 34,693
Liability Derivatives [Abstracts]    
Gross amounts 33,645 101,419
Effects of netting (24,677) (82,567)
Net amounts presented in the balance sheet $ 8,968 $ 18,852