ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings before income taxes	$ 50,112		$ 29,841
Income tax	(14,948)		(8,898)
Net earnings	35,164		20,943
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	6	[1]
Amortization of actuarial losses	(1,280)	[1]
Earnings before income taxes	(1,274)
Income tax	459
Net earnings	$ (815)

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