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v3.20.2

Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions | May 31, 2020 | May 31, 2019
--- | --- | ---
Income Taxes [Abstract] |  |
Compensation and employee benefit liabilities | $ 37.6 | $ 36.3
Other current liabilities | 8.0 | 8.8
Tax credit carry forward | 0.2 | 0.2
Stock-based compensation | 16.8 | 17.5
Leases | 34.2 |
Net operating loss ("NOL") carry forwards | 9.7 | 10.6
Tax benefit of uncertain tax positions | 7.0 | 5.7
Other | 0.5 | 1.2
Gross deferred tax assets | 114.0 | 80.3
Deferred contract costs | 122.8 | 119.7
Capitalized software | 45.7 | 42.8
Depreciation | 11.4 | 3.0
Goodwill and Intangible assets | 117.4 | 127.5
Operating lease right-of-use assets | 29.3 |
Revenue not subject to current taxes | 3.7 | 5.2
Unrealized gains on available-for-sale securities | 24.5 | 5.2
Gross deferred tax liabilities | 354.8 | 303.4
Net deferred tax liability | $ (240.8) | $ (223.1)

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