Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016
Income Tax Disclosure [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 8,005,000	$ 7,707,000	$ 5,616,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%	35.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 1,423,000
Total Excess Tax Benefit From Share Based Compensation	4,154,000	$ 6,528,000	$ 4,827,000
Increase (Decrease) in Income Taxes		16,507,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	0	15,137,000	0
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	$ 0	$ 1,370,000	$ 0