Long-Term Financing (Schedule of Long-Term Debt, at Amortized Cost) (Details) - USD ($) $ in Millions |
May 31, 2024 |
May 31, 2023 |
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| Debt Instrument [Line Items] | ||
| Total long-term borrowings | $ 800.0 | $ 800.0 |
| Less: Debt issuance costs, net of accumulated amortization | (1.4) | (1.8) |
| Long-term borrowings, net of debt issuance costs | 798.6 | 798.2 |
| Senior Notes, Series A [Member] | Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Total long-term borrowings | 400.0 | 400.0 |
| Senior Notes, Series B [Member] | Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Total long-term borrowings | $ 400.0 | $ 400.0 |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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