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v3.23.2

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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