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OTHER CURRENT ASSETS Table (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid expenses $ 16,331 $ 16,140
Derivative assets 11,402 16,362
Other 3,443 3,442
Other current assets $ 31,176 $ 35,944