Derivative Financial Instruments - Summary of Fair Values and Classification in Consolidated Balance Sheets of Derivative Instruments (Detail) - Commodity derivative instruments - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 29, 2019
Assets:
Total assets	$ 2,473	$ 1,007
Liabilities:
Total liabilities	0	1,174
Gross commodity derivative instrument assets	2,473	3,298
Gross commodity derivative instrument liabilities	0	3,465
Prepaid expenses and other current assets
Assets:
Total assets	2,417	1,007
Other accrued liabilities
Liabilities:
Total liabilities	0	1,174
Other assets
Assets:
Total assets	$ 56	$ 0