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
Aug. 31, 2017
USD ($)
Year ending May 31  
2018 $ 20.1
2019 17.3
2020 13.9
2021 10.9
2022 $ 8.2