v3.26.1
Benefit Plans (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Defined Benefit Plan Disclosure [Line Items]      
Expected contributions to the plan next year $ 2.8    
Defined Benefit Plan, Plan Assets, Contributions by Employer 0.0 $ 0.3  
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year (0.7)    
Defined Benefit Plan, Expected Future Benefit Payment, Year One 8.9    
Defined Benefit Plan, Expected Future Benefit Payment, Year Two 8.9    
Defined Benefit Plan, Expected Future Benefit Payment, Year Three 8.9    
Defined Benefit Plan, Expected Future Benefit Payment, Year Four 10.3    
Defined Benefit Plan, Expected Future Benefit Payment, Year Five 10.3    
Restoration Plan      
Defined Benefit Plan Disclosure [Line Items]      
Expected contributions to the plan next year 0.7    
Defined Benefit Plan, Expected Future Benefit Payment, Year Two 0.7    
Defined Benefit Plan, Expected Future Benefit Payment, Year Three 0.7    
Defined Benefit Plan, Expected Future Benefit Payment, Year Four 0.7    
Defined Benefit Plan, Expected Future Benefit Payment, Year Five 0.7    
Retirement Savings Plan401k      
Defined Benefit Plan Disclosure [Line Items]      
Total cost for company contributions $ 72.7 $ 72.8 $ 68.1
Equity securities | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets target allocation   20.00% 40.00%
Fixed income securities | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets target allocation 100.00% 80.00% 60.00%