Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Components of Other Comprehensive Income (Loss) (Details)

v3.21.1
Shareholders' Equity - Components of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 03, 2021
Mar. 28, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive Loss $ (203) $ (2,089)
Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive Loss (637) (2,304)
Amortization of Prior Service Cost    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Reclassification to General and Administrative Expense 101 101
Amortization of Net Actuarial Losses    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Reclassification to General and Administrative Expense 333 171
Retirement Liability Adjustment    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Tax Benefit 0 (57)
Other Comprehensive Loss $ 434 $ 215