Quarterly report pursuant to Section 13 or 15(d)

Other Income/(Expense), Net (Schedule of Other Income/(Expense), Net) (Details)

v3.21.2
Other Income/(Expense), Net (Schedule of Other Income/(Expense), Net) (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Other Income/(Expense), Net [Abstract]    
Interest income on corporate investments $ 0.2 $ 0.6
Interest expense (9.2) (9.0)
Other 10.0 0.5
Other income/(expense), net $ 1.0 $ (7.9)