Quarterly report pursuant to Section 13 or 15(d)

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

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Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Apr. 02, 2022
Dec. 31, 2021
Apr. 03, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity $ 260,082 $ 256,604 $ 260,304  
Foreign Currency Translation Adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity (5,588) (5,407)    
Retirement Liability Adjustment        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity (8,737) (9,088)    
Retirement Liability Adjustment – Before Tax (11,019) (11,370)    
Tax Benefit of Retirement Liability Adjustment 2,282 2,282    
Accumulated Comprehensive Loss        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity $ (14,325) $ (14,495) $ (16,653) $ (16,450)