Goodwill and Other Intangible Assets - Additional Information (Details) $ in Millions	Nov. 30, 2015 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Future Amortization Expense, Remainder of 2016	$ 17.5
Future Amortization Expense, 2017	22.3
Future Amortization Expense, 2018	21.9
Future Amortization Expense, 2019	21.7
Future Amortization Expense, 2020	21.1
Future Amortization Expense, 2021	20.0
Future Amortization Expense, Thereafter	$ 63.5