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Debt Debt - Schedule of Long-Term Debt Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
2016 $ 1.1  
2017 2.4  
2018 71.0  
2019 280.3  
2020 562.5  
2021-Thereafter 86.5  
Total debt $ 1,003.8 $ 640.0