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OTHER COMPREHENSIVE INCOME (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
AOCI        
Cash flow hedges $ (25,178) $ (28,170) $ (31,986)  
Pension and postretirement plans (74,453) (197,347) (184,858)  
Total $ (99,631) $ (225,517) $ (216,844) $ (177,339)