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Pension and Other Postretirement Obligations - Components of Net Periodic Benefit Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 03, 2022
Apr. 04, 2021
Pension Obligations    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 911 $ 886
Interest cost 2,305 1,806
Expected return on plan assets (3,963) (3,668)
Amortization of prior service cost 47 28
Actuarial losses (gains) 236 979
Net periodic benefit cost (income) (464) 31
Other Postretirement Obligations    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 6 9
Interest cost 195 177
Expected return on plan assets 0 0
Amortization of prior service cost 0 0
Actuarial losses (gains) (20) (6)
Net periodic benefit cost (income) $ 181 $ 180