XML 49 R36.htm IDEA: XBRL DOCUMENT v3.21.1
Financial Instruments - Summary of Location and Fair Value (Details) - Designated as Hedging Instrument [Member] - USD ($)
$ in Thousands
Mar. 27, 2021
Dec. 26, 2020
Derivatives, Fair Value [Line Items]    
Total derivative assets $ 1,910 $ 1,205
Total derivative liabilities (14,667) (5,795)
Other Current Assets [Member] | Commodity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Other current assets: Gain positions 1,965 1,213
Other current assets: Loss positions (55) (8)
Other Current Liabilities [Member] | Commodity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Other current liability: Gain positions 0 68
Other current liability: Loss positions $ (14,667) $ (5,863)