PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - SCHEDULE OF COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2026	Mar. 30, 2025
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2,977	$ 3,502
Interest cost	8,005	9,220
Expected return on plan assets	(12,362)	(12,011)
Amortization of prior service credit	(755)	(889)
Amortization of net loss	1,856	3,553
Total net periodic benefit cost	(279)	3,375
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	30	27
Interest cost	1,254	1,228
Expected return on plan assets	0	0
Amortization of prior service credit	(97)	(96)
Amortization of net loss	990	315
Total net periodic benefit cost	$ 2,177	$ 1,474