ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Amortization of pension and other post-retirement liability adjustments
Total Before Tax	$ (24,710)		$ (13,343)		$ (54,920)		$ (36,530)
Tax Benefit	9,088		4,793		20,266		14,018
Net of Tax					(34,654)		(22,512)
Amounts reclassified from accumulated other comprehensive income (loss)
Amortization of pension and other post-retirement liability adjustments
Prior Service Costs	(558)	[1]	(840)	[1]	(1,674)	[1]	(2,520)	[1]
Actuarial Losses	656	[1]	2,348	[1]	1,968	[1]	7,044	[1]
Total Before Tax	98		1,508		294		4,524
Tax Benefit	(34)		(595)		(103)		(1,742)
Net of Tax	$ 64		$ 913		$ 191		$ 2,782

[1] These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension costs. See Note 10 for additional information.