Summary of Activity in Company's Valuation Allowance (Detail) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2022	Dec. 28, 2020	Dec. 30, 2019
Valuation Allowance [Line Items]
Balance at beginning of year	$ 15,322	$ 14,292	$ 16,635
Additions charged to expense	2,330	3,904	1,526
Other reduction charged to expense	(1,111)	(2,874)	(3,869)
Balance at end of year	$ 16,541	$ 15,322	$ 14,292