Derivative Financial Instruments - Statements of Financial Performance and Financial Position (Details) - Designated as hedging instrument - USD ($) $ in Thousands	Dec. 27, 2020	Dec. 29, 2019
Prepaid expenses and other current assets
Derivative [Line Items]
Unrealized gains	$ 2,328	$ 12,133
Unrealized losses	(1,628)	(3,955)
Net unrealized gain (loss)	700	8,178
Other assets
Derivative [Line Items]
Unrealized gains	1,108	6,652
Unrealized losses	0	0
Net unrealized gain (loss)	1,108	6,652
Accrued liabilities
Derivative [Line Items]
Unrealized gains	3,009	293
Unrealized losses	(12,951)	(2,219)
Net unrealized gain (loss)	(9,942)	(1,926)
Other liabilities
Derivative [Line Items]
Unrealized gains	0	0
Unrealized losses	(184)	0
Net unrealized gain (loss)	$ (184)	$ 0