Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Income Tax Disclosure [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 6,656,000	$ 4,157,000	$ 6,007,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net	$ 6,396,000	$ 5,100,000	$ 4,267,000
Undistributed Earnings of Foreign Subsidiaries	7,736,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	1,478,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 1,296,000