ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclass) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings before income taxes	$ 64,320	$ 52,091
Income tax	(21,097)	(15,661)
Net earnings	15,991	35,164
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		9	[1]
Amortization of actuarial losses		(3,727)	[1]
Earnings before income taxes		(3,718)
Income tax		1,355
Net earnings		$ (2,363)

[1] These items are included in the computation of net periodic pension cost. See Note 9, Pension and Other Postretirement Benefit Plans.