Other Expense, Net (Schedule of Other Expense, Net) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Other Expense, Net [Abstract] | ||||
| Interest income on corporate investments | $ 0.4 | $ 0.5 | $ 0.6 | $ 1.1 |
| Interest expense | (9.3) | (9.0) | (18.5) | (18.0) |
| Other | 6.2 | 3.8 | 16.2 | 4.3 |
| Other expense, net | $ (2.7) | $ (4.7) | $ (1.7) | $ (12.6) |
| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The net amount of nonoperating interest income (expense). No definition available.
|
| X | ||||||||||
- Definition The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|