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Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance $ (29,841)  
Other comprehensive income, net of tax 280 $ 495
Ending balance, net of tax (28,566)  
Foreign currency, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 660  
Other comprehensive income, net of tax 12  
Ending balance, net of tax 672  
Defined benefit pension plan, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (37,523)  
Other comprehensive income, net of tax 268  
Ending balance, net of tax (37,255)  
Other, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 212  
Other comprehensive income, net of tax 0  
Ending balance, net of tax 212  
Total Accumulated Other Comprehensive Loss    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (36,651)  
Other comprehensive income, net of tax 280  
Ending balance, net of tax (36,371)  
Defined benefit pension plans adjustment, net gain (loss), net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Reclassification of actuarial loss $ 300