Leases - Summary of Balances Related to Lease Portfolio within Consolidated Statement of Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 29, 2019	Dec. 30, 2018
Leases [Abstract]
Operating lease costs	$ 24,823	$ 18,820
Short-term and variable leases	15,305	13,605
Depreciation expense from financing leases	4,678	5,967	$ 5,900
Interest expense on financing lease obligations	1,728	2,714	$ 3,300
Total lease cost	$ 46,534	$ 41,106