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Retirement Plans - Defined Benefit Plan, Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Oct. 02, 2021
Sep. 26, 2020
United States [Member] | Retiree Healthcare Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 198 $ 197 $ 663 $ 499
Interest cost 141 180 419 533
Expected return on plan assets (248) (214) (758) (653)
Settlement loss 0 0 0 0
Net amortization: Prior service credit (5) (4) (14) (14)
Net amortization: Net actuarial loss 8   8  
Net periodic pension cost 94 159 318 365
Non-U.S. Pension Plans [Member] | Pension Plans [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1,140 1,140 3,447 3,334
Interest cost 309 353 936 1,036
Expected return on plan assets (459) (476) (1,389) (1,386)
Settlement loss 102 0 102 0
Net amortization: Prior service credit 13 (41) (67) (122)
Net amortization: Net actuarial loss 130 397 653 1,164
Net periodic pension cost $ 1,235 $ 1,373 $ 3,682 $ 4,026