v3.26.1
Cancellation Reserves (Schedule Of Cancellation Reserves Accrual) (Details) - USD ($)
$ in Millions
3 Months Ended
May 31, 2026
May 31, 2025
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]    
Balance as of beginning of period $ 131.1 $ 133.9
Cancellations (20.2) (20.0)
Provision for future cancellations 26.2 24.8
Balance as of end of period $ 137.1 $ 138.7