Leases - Summary of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Leases [Abstract]
Operating lease expense	$ 1,901	$ 1,928
Short-term lease expense	1,114	1,070
Total lease expense	$ 3,015	$ 2,998