FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Dec. 27, 2020	Dec. 29, 2019
Commodity futures instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	$ 13,285	$ 4,147
Derivative liability	(4,496)	(4,797)
Commodity options instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	10,774	906
Derivative liability	(2,035)	(633)
Foreign currency instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	2,204	426
Derivative liability	(428)	(5,400)
Interest rate swap instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	(640)	0
Level 1 | Commodity futures instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	13,285	4,147
Derivative liability	(4,496)	(4,797)
Level 1 | Commodity options instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	10,774	906
Derivative liability	(2,035)	(633)
Level 1 | Foreign currency instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	2,204	426
Derivative liability	(428)	(5,400)
Level 1 | Interest rate swap instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	$ (640)	$ 0