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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Future minimum payments under non-cancelable operating leases      
2015 $ 39.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 32.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 27.3us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 17.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 11.9us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 32.5us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Lease expense $ 53.1us-gaap_OperatingLeasesRentExpenseNet $ 54.4us-gaap_OperatingLeasesRentExpenseNet $ 33.5us-gaap_OperatingLeasesRentExpenseNet