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PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - SCHEDULE OF COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Pension Benefits     
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 3,502 $ 3,849
Interest cost 9,220 9,687
Expected return on plan assets (12,011) (12,808)
Amortization of prior service credit (889) (1,373)
Amortization of net loss (gain) 3,553 3,813
Total net periodic benefit cost 3,375 3,168
Other Benefits     
Defined Benefit Plan Disclosure [Line Items]    
Service cost 27 34
Interest cost 1,228 1,218
Expected return on plan assets 0 0
Amortization of prior service credit (96) (38)
Amortization of net loss (gain) 315 139
Total net periodic benefit cost $ 1,474 $ 1,353