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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2019	May 31, 2019
Income Tax Disclosure [Abstract]
Net tax benefit related to preliminary TCJA impacts	$ 0.9
Estimated undistributed earnings of foreign subsidiaries		$ 84.4
Deferred income tax liability for certain foreign withholding taxes and U.S. state taxes	$ 0.6

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Tax Cuts and Jobs Act, Provisional Income Tax Expense (Benefit)

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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