Stock Repurchases (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Equity, Class of Treasury Stock [Line Items]
Shares of common stock repurchased	3,419	1,185
Cost of stock repurchased	$ 18,503	$ 8,302
Average price paid per share	$ 5.39	$ 6.97