PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Detail) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 14,956	$ 16,460	$ 16,224
Interest cost	34,913	33,344	34,085
Expected return on plan assets	(70,610)	(65,932)	(63,013)
Prior service cost	60	(5)	(106)
Defined Benefit Plan, Amortization of Loss (Gain)	2,122	848	139
Cost of Settlement/Curtailment	1,589	787	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (16,970)	$ (14,498)	$ (12,671)