Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS - Estimated Future Amortization Expense (Details)

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GOODWILL AND INTANGIBLE ASSETS - Estimated Future Amortization Expense (Details) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 $ 112.6  
2019 133.9  
2020 126.4  
2021 108.6  
2022 102.7  
Thereafter 635.0  
Net $ 1,219.2 $ 1,247.0