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Debt Debt (Schedule of Annual Maturities of Long-Term Debt) (Details)
$ in Millions
Oct. 31, 2016
USD ($)
Maturities of Long-term Debt [Abstract]  
2017 $ 0.0
2018 281.2
2019 0.0
2020 0.0
2021 830.2
Thereafter $ 0.0