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RELATED PARTY TRANSACTIONS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Related Party Transactions [Abstract]    
Related Party Transaction, Revenues from Transactions with Related Party $ 0.4 $ 0.9
Related Party Transaction, Due from (to) Related Party 0.2 0
Related Party Transaction, Expenses from Transactions with Related Party $ 0.7 $ 0.6