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RELATED PARTY TRANSACTIONS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Related Party Transactions [Abstract]          
Related Party Transaction, Revenues from Transactions with Related Party $ 0.6 $ 0.5 $ 1.7 $ 2.4  
Related Party Transaction, Due from (to) Related Party 0.2   0.2   0
Related Party Transaction, Expenses from Transactions with Related Party $ 0.6 $ 0.5 $ 2.1 $ 1.7