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BORROWINGS - Schedule of long-term debt (Table) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
BORROWINGS [Abstract]    
Term Loan B facility $ 250,000 $ 0
Credit facilities 100,020 299,709
Total borrowings 350,020 299,709
Less: Unamortized discount (4,989) 0
Less: current portion, net of unamortized discount (2,472) (23,727)
Total long-term borrowings, net of unamortized discount $ 342,559 $ 275,982