Common Stock Dividends Declared And Paid Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended							9 Months Ended	12 Months Ended
	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Oct. 03, 2014	Jul. 04, 2014	Apr. 04, 2014	Oct. 02, 2015	Jan. 02, 2015
Class of Stock [Line Items]
Dividends Per Share	$ 0.150	$ 0.150	$ 0.150	$ 0.125	$ 0.125	$ 0.125	$ 0.125
Amount	$ 3,870	$ 3,887	$ 3,858	$ 3,216	$ 3,262	$ 3,270	$ 3,262	$ 11,615	$ 13,010