Income Taxes - Additional Information (Details) - USD ($) $ in Millions	Feb. 28, 2025	Feb. 29, 2024
Income Tax Disclosure [Abstract]
Unrecognized income tax benefit will decrease in the next twelve months	$ 0.0
Unrecognized tax benefits netted against deferred income taxes	19.1
Unrecognized tax benefits included within taxes payable	0.4
Accrued interest	3.0	$ 2.9
Unrecognized Tax Benefits, Income Tax Penalties Accrued	$ 0.0	$ 0.0
Basic Part I federal tax rate	38.00%
Federal tax rate after federal tax abatement	15.00%
Provincial tax rate	11.50%