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Derivatives and Hedging - Fair Value Of Derivatives (Details) - Derivatives Designated as Hedges - Commodity Contracts - Other Current Assets - USD ($)
$ in Thousands
Oct. 25, 2020
Oct. 27, 2019
Derivatives fair value    
Fair values of derivative instruments $ (1,330) $ 6,405
Cash collateral, within master netting arrangement $ 25,500  
Cash owed, within master netting arrangement   $ 4,000