Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2021	Jan. 03, 2020	Dec. 28, 2018
Income Tax Disclosure [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 10,092,000	$ 8,017,000	$ 8,005,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Total Excess Tax Benefit From Share Based Compensation	$ 12,258,000	$ 8,067,000	$ 4,154,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,514,000
Unrecognized Liability For Uncertain Tax Positions For Next Twelve Months	$ 0