Financial Instruments and Risk Management - Effect of the Partnership's Derivative Instruments on the Condensed Consolidated Statements of Operations (Details) - Commodity-Related Derivatives [Member] - Derivatives Not Designated as Hedging Instruments [Member] - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 24, 2022
Derivative Instruments Gain Loss [Line Items]
Unrealized Gains (Losses) Recognized in Income	$ (10,786)	$ (13,706)
Cost of Products Sold [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Costs and Expenses	Costs and Expenses