Quarterly report pursuant to Section 13 or 15(d)

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

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Goodwill and Intangible Assets, Net of Accumulated Amortization (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Nov. 30, 2019
Nov. 30, 2018
Goodwill and Intangible Assets, Net of Accumulated Amortization [Abstract]        
Amortization expense $ 21.9 $ 6.6 $ 43.0 $ 13.1
Impairment loss relates to goodwill or intangle assets     $ 0.0 $ 0.0