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Benefit Plans (Amount Recognized in Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2016
Jan. 02, 2015
Jan. 03, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]      
Net loss occurring during the year $ 164 $ 736  
Amortization of losses (156) (138)  
Prior service cost (1) (2)  
Amortization of prior service cost (9) (11)  
Foreign currency translation 0 (76)  
Pre-tax adjustment (2) 509  
Taxes 22 (135)  
Net loss $ 20 $ 374 $ (272)