Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Income Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Income Tax Disclosure [Abstract]
Unrecognized income tax benefits, Beginning balance	$ 19.6	$ 20.6	$ 19.9
Increase for income tax positions of current year	0.2	1.0	0.7
Settlement of tax positions	(0.3)	(2.0)	0.0
Unrecognized income tax benefits, Ending balance	$ 19.5	$ 19.6	$ 20.6