Components of Consolidated Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Income Tax Disclosure [Abstract]
Current provision	$ 100,673	$ 84,071	$ 70,958
Deferred provision (benefit)	(3,096)	862	(873)
Total provision for Federal income taxes	97,577	84,933	70,085
Current provision	15,091	11,892	10,178
Deferred provision	37	851	741
Total provision for state and local income taxes	15,128	12,743	10,919
Provision for non-resident withholding and foreign income taxes	17,275	15,750	15,032
Provision for income taxes	$ 129,980	$ 113,426	$ 96,036