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Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance $ (14,663) $ 35,002
Other comprehensive income (loss), net of tax 1,099 209
Ending balance (18,285) 22,096
Total Accumulated Other Comprehensive Loss    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (37,129) (36,507)
Ending balance (36,030) $ (36,298)
Foreign currency, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 660  
Other comprehensive income (loss), net of tax 7  
Ending balance 667  
Defined benefit pension plan, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (38,001)  
Other comprehensive income (loss), net of tax 1,077  
Ending balance (36,924)  
Other, net of tax    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 212  
Other comprehensive income (loss), net of tax 15  
Ending balance 227  
Accumulated defined benefit plan adjustment, net gain (loss) attributable to parent    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Reclassification of actuarial loss 1,100  
Reclassification of actuarial loss, tax $ 400