PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Detail) - Pension Plans Defined Benefit [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 6,063	$ 6,870
Interest cost	5,288	4,306
Expected return on plan assets	(13,857)	(15,180)
Amortization of prior service cost	(86)	(63)
Amortization of unrecognized actuarial loss	4,006	7,143
Gain (Loss) Due to Settlement	(1,842)	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	$ 3,256	$ 3,076