Financial Instruments - Summary of Location and Fair Value (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Jun. 26, 2021	Dec. 26, 2020
Derivatives, Fair Value [Line Items]
Total derivative assets	$ 49	$ 1,205
Total derivative liabilities	(5,497)	(5,795)
Other Current Assets [Member] \| Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Other current assets: Gain positions	132	1,213
Other current assets: Loss positions	(83)	(8)
Other Current Liabilities [Member] \| Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Other current liability: Gain positions	1,788	68
Other current liability: Loss positions	$ (7,285)	$ (5,863)

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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