Debt - Schedule of Maturities (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Debt Disclosure [Abstract]    
Twelve months ended March 31, 2016 $ 12.5  
Twelve months ended March 31, 2017 12.5  
Twelve months ended March 31, 2018 12.5  
Twelve months ended March 31, 2019 12.5  
Twelve months ended March 31, 2020 443.8  
Thereafter 500.0  
Long-term debt $ 993.8 $ 0