Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions |
May 31, 2023 |
May 31, 2022 |
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| Income Tax Disclosure [Abstract] | ||
| Compensation and employee benefit liabilities | $ 52.4 | $ 56.8 |
| Other current liabilities | 17.3 | 21.3 |
| Tax credit carry forward | 0.2 | 0.2 |
| Stock-based compensation | 14.8 | 12.9 |
| Unrealized losses on available-for-sale securities | 43.4 | 33.6 |
| Capitalization of research and development | 54.1 | |
| Leases | 15.9 | 20.5 |
| Net operating loss ("NOL") carry forwards | 5.1 | 5.6 |
| Tax benefit of uncertain tax positions | 13.6 | 9.9 |
| Gross deferred tax assets | 216.8 | 160.8 |
| Deferred contract costs | 151.3 | 141.9 |
| Capitalized software | 56.5 | 50.8 |
| Depreciation | 2.4 | 8.1 |
| Goodwill and Intangible assets | 99.1 | 103.5 |
| Operating lease right-of-use assets | 13.7 | 17.7 |
| Other | 5.7 | 4.3 |
| Gross deferred tax liabilities | 328.7 | 326.3 |
| Net deferred tax liability | $ (111.9) | $ (165.5) |
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- Definition Deferred Tax Assets, Lease Liability No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from tax benefit of uncertain tax positions. No definition available.
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- Definition Deferred Tax Liabilities Deferred Expense Contract Costs No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses in other comprehensive income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from capitalized software. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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