v3.26.1
Revenue and Segment Disclosures Revenue Contract Balances (Details) - USD ($)
$ in Millions
3 Months Ended
May 31, 2026
May 31, 2025
Feb. 28, 2026
Revenue Contract Balances [Line Items]      
Increase (Decrease) in Deferred Revenue $ (18.7) $ (22.0)  
Accounts Receivable, after Allowance for Credit Loss, Current 160.6   $ 156.0
Accounts Receivable, after Allowance for Credit Loss, Noncurrent 43.0    
Deferred revenue, current (note 10) 121.5   138.5
Deferred revenue, non-current (note 10) 12.4   $ 14.1
Short Term Deferred Commission 7.0    
Long-term Deferred Commission 7.2    
Accounts Receivable      
Revenue Contract Balances [Line Items]      
Contract with Customer, Asset, Net - Current and Non-Current 202.6    
Increase in contract receivable 135.1    
Decrease in contract asset (134.1)    
Increase (Decrease) In Contract Assets 1.0    
Contract with Customer, Asset, Net - Current and Non-Current 203.6    
Deferred Revenue      
Revenue Contract Balances [Line Items]      
Deferred Revenue 152.6    
Deferred Revenue, Additions 121.9    
Decrease due to payment, fulfillment of performance obligations, or other (140.6)    
Increase (Decrease) in Deferred Revenue (18.7)    
Deferred Revenue 133.9    
Deferred Commissions      
Revenue Contract Balances [Line Items]      
Capitalized Contract Cost, Net 14.3    
Increase in deferred commission 5.0    
Decrease in deferred commission (5.1)    
Net change in deferred commission (0.1)    
Capitalized Contract Cost, Net $ 14.2