Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets, Net of Accumulated Amortization (Estimated Amortization Expense) (Details)

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Goodwill and Intangible Assets, Net of Accumulated Amortization (Estimated Amortization Expense) (Details)
$ in Millions
Nov. 30, 2017
USD ($)
Year ending May 31  
2018 $ 20.1
2019 18.1
2020 14.6
2021 11.5
2022 $ 8.7