Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Shareholders' Equity - Components of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Oct. 02, 2021
Sep. 26, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other Comprehensive Income (Loss) $ (709) $ 1,624 $ 137 $ 560
Foreign Currency Translation Adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other Comprehensive Income (Loss) (1,143) 1,409 (1,165) (85)
Amortization of Prior Service Cost        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Reclassifications to General and Administrative Expense 101 101 302 302
Amortization of Net Actuarial Losses        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Reclassifications to General and Administrative Expense 333 171 1,000 515
Retirement Liability Adjustment        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Tax Benefit 0 (57) 0 (172)
Other Comprehensive Income (Loss) $ 434 $ 215 $ 1,302 $ 645