Leases - Summary of Balances Related to Lease Portfolio within Condensed Consolidated Statement of Cash Flow (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Cash flows from operating activities impact:
Operating leases	$ 4,195	$ 4,136
Interest payments on financing lease obligations	266	702
Total cash flows from operating activities impact	4,461	4,838
Cash flows from financing activities impact:
Principal payments on financing lease obligations	1,485	2,114
Total cash flows from financing activities impact	$ 1,485	$ 2,114