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Schedule of Net Periodic Pension and Postretirement (income) Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 02, 2023
Jul. 03, 2022
Jul. 02, 2023
Jul. 03, 2022
Defined Benefit Plan Disclosure        
Service cost $ 272 $ 397 $ 543 $ 794
Interest cost 1,714 1,221 3,425 2,443
Expected return on plan assets (1,286) (732) (2,571) (1,463)
Net actuarial loss (gain) 24 (45) 24 (45)
Total net periodic pension cost 724 841 1,421 1,729
Foreign Pension Plans, Defined Benefit        
Defined Benefit Plan Disclosure        
Service cost 110 180 220 386
Interest cost 263 120 526 238
Expected return on plan assets (9) (18) (18) (38)
Net actuarial loss (gain) 0 0 0 0
Total net periodic pension cost 364 282 728 586
Postretirement Benefit Plans        
Defined Benefit Plan Disclosure        
Service cost 8 15 17 32
Interest cost 60 45 121 88
Amortization of prior service credit (2) (2) (4) (4)
Special termination benefits 369 0 369 0
Net actuarial loss (gain) 30 54 30 54
Total net periodic pension cost $ 465 $ 112 $ 533 $ 170