XML 76 R59.htm IDEA: XBRL DOCUMENT v3.3.1.900
Long-Term Debt and Commercial Paper (Maturities of Long-Term Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Maturities of Long-term Debt [Abstract]    
2016 $ 13.4  
2017 178.4  
2018 401.3  
2019 42.2  
2020 352.5  
Thereafter 779.3  
Long-term debt $ 1,767.1 $ 2,128.4