v3.26.1
Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
May 31, 2026
May 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning Balance $ 746.0 $ 719.9
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (1.0) 4.0
Ending Balance 750.7 725.1
Available-for-Sale Debt Securities    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning Balance 0.0  
Ending Balance (0.1) 0.0
Cash Flow Hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning Balance 0.3 (1.9)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax (0.5) 1.9
Amounts reclassified from AOCL into net income 0.0 0.5
Ending Balance (0.2) 0.5
Foreign Currency Cumulative Translation Adjustment    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning Balance (10.9) (16.7)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (1.0) 4.0
Ending Balance (11.9) (12.7)
Other Post-Employment Benefit Obligations    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Ending Balance (0.6) (0.6)
AOCI Attributable to Parent    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Ending Balance $ (12.8) $ (12.8)