Derivative Financial Instruments - Summary of Pre-Tax Changes in Fair Value (Detail) - Commodity derivative instruments - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 29, 2019	Dec. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss)	$ 2,787	$ 10,138	$ (14,725)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss)	1,996	6,602	(10,376)
Selling, delivery and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss)	$ 791	$ 3,536	$ (4,349)