PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Detail) - Pension Plans Defined Benefit [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 4,282	$ 4,127
Interest cost	8,593	8,790
Expected return on plan assets	(16,553)	(15,820)
Amortization of prior service cost	(8)	(33)
Amortization of unrecognized actuarial loss	266	77
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	$ (3,420)	$ (2,859)