Leases, Commitments and Contingencies - Other Information Relating to Leases (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows relating to operating leases	$ (8,822)	$ (6,213)
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 19,185	$ 796
Weighted average remaining lease term in years
Operating leases	6 years 10 months 2 days	3 years 10 months 17 days
Weighted average discount rate
Operating leases	5.80%	6.20%