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Common Stock Dividends Declared And Paid Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Apr. 01, 2016
Jan. 01, 2016
Oct. 02, 2015
Jul. 03, 2015
Apr. 03, 2015
Jan. 01, 2016
Class of Stock [Line Items]            
Dividends Per Share $ 0.18 $ 0.15 $ 0.15 $ 0.15 $ 0.15 $ 0.60
Amount $ 4,628 $ 3,867 $ 3,870 $ 3,887 $ 3,858 $ 15,482