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SUPPLEMENTAL CASH FLOW INFORMATION (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]    
Interest (exclusive of amount capitalized) $ 163,593 $ 102,137
Income taxes 64,539 29,909
Accrued liabilities for purchases of property, plant & equipment 5,777 9,197
Liabilities assumed 24,881 232
Fair value of noncash assets and liabilities exchanged 4,914 0
Fair value of equity consideration $ 45,185 $ 0