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OTHER COMPREHENSIVE INCOME (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2013
AOCI      
Cash flow hedges $ (21,011) $ (25,178) $ (25,802)
Pension and postretirement benefit plans (70,504) (74,453) (128,074)
Total $ (91,515) $ (99,631) $ (153,876)