Stockholders' Equity (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 02, 2015	Oct. 03, 2014	Jul. 04, 2014	Apr. 04, 2014	Jan. 03, 2014	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Jan. 02, 2015	Jan. 03, 2014
Class of Stock [Line Items]
Dividends Per Share	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.15	$ 0.15	$ 0.15	$ 0.15
Amount	$ 3,216	$ 3,262	$ 3,270	$ 3,262	$ 1,965	$ 1,945	$ 1,998	$ 1,969	$ 13,010	$ 7,877