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Employee Benefit Plans - Schedule of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 04, 2021
Apr. 05, 2020
Foreign Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Interest cost $ 572 $ 891
Expected return on assets (849) (1,064)
Amortization of prior service cost 29 26
Amortization of net actuarial losses 404 326
Net periodic benefit cost 156 179
Salary Continuation Plan | United States    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Interest cost 176 234
Amortization of net actuarial losses 186 140
Net periodic benefit cost 362 374
nora Defined Benefit Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Service cost 277 258
Interest cost 103 111
Amortization of net actuarial losses 92 0
Net periodic benefit cost $ 472 $ 369