Annual report pursuant to Section 13 and 15(d)

DEBT (Scheduled Future Maturities of Debt) (Details)

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DEBT (Scheduled Future Maturities of Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Debt Disclosure [Abstract]    
2018 $ 965.3  
2019 0.0  
2020 100.0  
2021 500.0  
2022 500.0  
Thereafter 650.0  
Total debt $ 2,715.3 $ 2,685.4