Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |
5 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended | |
---|---|---|---|---|---|
May 31, 2018 |
Dec. 31, 2017 |
Feb. 28, 2019 |
Feb. 28, 2018 |
May 31, 2018 |
|
Income Tax Disclosure [Abstract] | |||||
Estimated annual effective income tax rate | 23.30% | 10.30% | |||
Federal statutory income tax rate | 21.00% | 35.00% | |||
Provisional income tax benefit related to re-measurement of deferred tax assets and liabilities | $ 38,200 | ||||
Provisional income tax expense related to repatriation tax | $ 6,900 |