ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings before income taxes		$ 47,564	$ 64,320
Income tax		(14,745)	(21,097)
Net earnings		32,819	$ 15,991
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	[1]	176
Amortization of actuarial losses	[1]	(2,950)
Earnings before income taxes		(2,774)
Income tax		1,046
Net earnings		$ (1,728)

[1] These items are included in the computation of net periodic pension cost. See Note 8, Pension and Other Postretirement Benefit Plans.