Income Taxes - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
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| 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 | 19.6 | ||||
| Unrecognized tax benefits included within taxes payable | 0.1 | ||||
| Accrued interest | 3.1 | $ 3.0 | |||
| Unrecognized Tax Benefits, Income Tax Penalties Accrued | $ 0.0 | $ 0.0 | |||
| Basic Part I federal tax rate | 38.00% | 38.00% | |||
| Federal tax rate after federal tax abatement | 15.00% | [1] | 15.00% | ||
| Provincial tax rate | 11.50% | ||||
| Federal general tax reduction | 13.00% | ||||
| Federal tax abatement | 10.00% | ||||
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