OTHER COMPREHENSIVE INCOME (Changes In AOCI Net Of Tax) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance	$ (161,714)
Other comprehensive income before reclassifications	0
Amounts reclassified from AOCI	4,929
Other comprehensive income	4,929	4,705
AOCI, Net of Tax, Ending Balance	(156,785)	(94,926)
Reclassification Adjustment for Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance	(20,322)
Other comprehensive income before reclassifications	0
Amounts reclassified from AOCI	2,248
Other comprehensive income	2,248
AOCI, Net of Tax, Ending Balance	(18,074)
Amortization of Pension and Postretirement Plan Actuarial Loss and Prior Service Cost [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance	(141,392)
Other comprehensive income before reclassifications	0
Amounts reclassified from AOCI	2,681
Other comprehensive income	2,681
AOCI, Net of Tax, Ending Balance	$ (138,711)