v3.26.1
Income Taxes -Income Taxes - Schedule of Reconciliation of Provision for Income Taxes After the Adoption of ASU 2023 -09 (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Effective Income Tax Rate Reconciliation [Line Items]      
Expected provision for (recovery of) income taxes from continuing operations $ 8.9 $ 2.3 $ 7.9
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount 1.3    
Foreign tax rate differences 0.1 5.9 4.5
Effective Income Tax Rate Reconciliation, Period Peroid Adjustments, Amount 0.4 (0.4) 8.6
Non-deductible permanent difference 1.1 8.8 7.7
Goodwill impairment   0.0 4.2
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount (0.1)    
Other differences 0.2 7.0 5.7
Valuation allowance (5.5) 1.6 (3.3)
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount (3.3) (8.1) (10.0)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount 2.3    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount 0.2    
Change in unrecognized income tax benefits   (0.1) (1.1)
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount 0.2    
Provision for income taxes (note 6) $ 5.8 $ 17.0 $ 24.2
Statutory Canadian tax rate, Percent 15.00% [1] 26.50% [2] 26.50% [2]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 2.20%    
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent (0.20%)    
Effective Income Tax Rate Reconciliation, Period Peroid Adjustments, Percent 0.00%    
Non-deductible permanent difference, percent 1.90%    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent (0.20%)    
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent 0.40%    
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent (9.40%)    
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Percent (5.60%)    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent 4.00%    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent 0.30%    
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent 0.30%    
Effective Income Tax Rate Reconciliation, Percent, Total 9.80%    
United States      
Effective Income Tax Rate Reconciliation [Line Items]      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ (0.5)    
Foreign tax rate differences 0.4    
Effective Income Tax Rate Reconciliation, Period Peroid Adjustments, Amount 0.4    
Non-deductible permanent difference 1.1    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount (0.1)    
Other differences (0.2)    
Valuation allowance $ (2.1)    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (0.80%)    
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 0.70%    
Effective Income Tax Rate Reconciliation, Period Peroid Adjustments, Percent 0.70%    
Non-deductible permanent difference, percent 1.90%    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent (0.20%)    
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent (0.30%)    
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent (3.60%)    
GERMANY      
Effective Income Tax Rate Reconciliation [Line Items]      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ 1.4    
Foreign tax rate differences $ (0.3)    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 2.40%    
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent (0.50%)    
KOREA, REPUBLIC OF      
Effective Income Tax Rate Reconciliation [Line Items]      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ 0.5    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 0.80%    
Income Tax Jurisdiction, Foreign, Other      
Effective Income Tax Rate Reconciliation [Line Items]      
Other differences $ 0.4    
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent 0.70%    
Canada      
Effective Income Tax Rate Reconciliation [Line Items]      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount [3] $ (0.1)    
Valuation allowance $ (3.4)    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent [3] (0.20%)    
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent (5.80%)    
[1] This represents the Canadian federal statutory income tax rate, which is 15% after a 13% general tax reduction and 10% federal tax abatement are applied to the 38% basic rate.
[2]
(1) This tax rate represents a basic Part I federal tax rate of 38%, net 15% after federal tax abatement and general tax reduction, plus the additional provincial tax of 11.5%.
[3] Provincial taxes in Ontario made up the majority of the tax effect in this category.