ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings from continuing operations before income taxes	$ 80,935	$ 103,973	$ 194,153	$ 277,820
Reclassification out of Accumulated Other Comprehensive Income [Member] | Total Pension and Postretirment Adjustments, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of prior service costs			457
Amortization of actuarial losses			(17,034)
Earnings from continuing operations before income taxes			(16,577)
Provision for income taxes			3,994
Net earnings			$ (12,583)