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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 9 Months Ended
Sep. 28, 2025
Sep. 29, 2024
Sep. 28, 2025
Sep. 29, 2024
Pension Benefits         
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 3,544 $ 3,827 $ 10,583 $ 11,512
Interest cost 9,253 9,662 27,722 28,995
Expected return on plan assets (12,029) (12,800) (36,086) (38,407)
Amortization of prior service credit (888) (1,374) (2,667) (4,120)
Amortization of net loss 3,554 3,814 10,661 11,435
Settlement loss 10,597 0 10,597 0
Total net periodic benefit cost 14,031 3,129 20,810 9,415
Other Benefits         
Defined Benefit Plan Disclosure [Line Items]        
Service cost 29 33 85 100
Interest cost 1,235 1,215 3,695 3,646
Expected return on plan assets 0 0 0 0
Amortization of prior service credit (96) (38) (288) (113)
Amortization of net loss 312 138 941 416
Settlement loss 0 0 0 0
Total net periodic benefit cost $ 1,480 $ 1,348 $ 4,433 $ 4,049