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v3.19.2

Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions | May 31, 2019 | May 31, 2018
--- | --- | ---
Income Taxes [Abstract] |  |  |  |
Compensation and employee benefit liabilities |  | $ 36.3 | $ 15.0 | [1]
Other current liabilities |  | 8.8 | 6.5 | [1]
Tax credit carry forward |  | 0.2 | 0.2 | [1]
Depreciation | [1] |  | 3.6 |
Stock-based compensation |  | 17.5 | 11.6 | [1]
Unrealized losses on available-for-sale securities | [1] |  | 9.2 |
Net operating loss ("NOL") carry forwards |  | 10.6 | 5.9 | [1]
Tax benefit of uncertain tax positions |  | 5.7 | 3.7 | [1]
Other |  | 1.2 | 2.3 | [1]
Gross deferred tax assets |  | 80.3 | 58.0 | [1]
Deferred contract costs |  | 119.7 | 105.6 | [1]
Capitalized software |  | 42.8 | 39.4 | [1]
Depreciation |  | 3.0 |  |
Goodwill and Intangible assets |  | 127.5 | 49.0 | [1]
Revenue not subject to current taxes |  | 5.2 | 18.4 | [1]
Unrealized gains on available-for-sale securities |  | 5.2 |  |
Gross deferred tax liabilities |  | 303.4 | 212.4 | [1]
Net deferred tax liability |  | $ (223.1) | $ (154.4) | [1]
[1] | Amounts have been adjusted to reflect the adoption of ASC Topic 606.

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