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Employee Benefit Plans - Schedule of Components of Net Periodic Benefit Cost/(Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2025
Sep. 29, 2024
Sep. 28, 2025
Sep. 29, 2024
Retirement Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 1,327 $ 1,233 $ 3,889 $ 2,523
Interest cost 5,404 4,340 15,985 14,175
Expected return on plan assets (3,462) (2,740) (10,087) (8,312)
Amortization of prior service cost 203 220 600 660
Amortization of net actuarial loss (gain) 979 1,106 2,866 3,350
Effect of settlement loss 0 18 0 529
Net periodic benefit (income)/cost 4,451 4,177 13,253 12,925
Retiree Health and Life Insurance Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 33 45 99 133
Interest cost 229 228 682 685
Expected return on plan assets (103) (97) (307) (292)
Amortization of prior service cost 93 95 278 287
Amortization of net actuarial loss (gain) (289) (223) (860) (670)
Net periodic benefit (income)/cost $ (37) $ 48 $ (108) $ 143