Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit) as a percent of income before income taxes	10.30%	6.90%	9.60%	7.20%
Tax benefit recorded related to the recognition of excess tax benefits from share-based compensation			$ 1.0	$ 0.7
Expense for remeasurement of deferred taxes			1.7
Unrecognized tax benefit from favorable resolution of uncertain tax position			$ 2.8	$ 0.8