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Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Schedule of Expected Future Amortization Expense) (Details)
$ in Millions
Nov. 30, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2017 $ 3.6
2018 3.6
2019 3.2
2020 2.8
2021 2.8
Thereafter 10.0
Total $ 26.0