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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 4 Months Ended | 11 Months Ended |
--- | --- | --- | ---
Apr. 30, 2018 | Dec. 31, 2017 | Feb. 01, 2018
Income Tax Disclosure [Line Items] |  |  |
Federal corporate tax rate | 21.00% | 34.00% |
Deferred revenue | $ 286.9 |  |
Accounting Standards Update 2014-09 | Effect of Adoption of ASU Topic 606 | Revenue Recognition |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred revenue |  |  | $ (9.8)
Accounting Standards Update 2014-09 | Effect of Adoption of ASU Topic 606 | Incremental Costs of Obtaining a Contract |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred commission |  |  | $ 29.4

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