Total Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Current
Federal	$ 18,877	$ 25,081	$ 26,647
Foreign	1,085	1,385	896
State	4,282	4,895	5,798
Current Income Tax Expense	24,244	31,361	33,341
Deferred
Federal	(2,047)	(3,411)	(5,059)
State	(555)	(416)	(1,018)
Deferred Income Tax Expense	(2,602)	(3,827)	(6,077)
Total	$ 21,642	$ 27,534	$ 27,264