ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings from continuing operations before income taxes	$ 86,414	$ 66,568	$ 200,287	$ 172,049
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			568
Amortization of actuarial losses			(9,525)
Earnings from continuing operations before income taxes			(8,957)
Income tax			3,314
Net earnings			$ (5,643)