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Derivative Instruments And Hedging Activities (Narrative) (Details) - Interest Rate Swaps - Cash Flow Hedging - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Nov. 30, 2025
Nov. 30, 2024
Feb. 28, 2025
Designated As Hedging Instrument          
Derivative [Line Items]          
Additional reclassification from AOCL to CAF income within the next 12 months     $ 14.8    
Derivative, Notional Amount $ 3,630.0   3,630.0   $ 3,760.0
Not Designated as Hedging Instrument [Member]          
Derivative [Line Items]          
Derivative, Gain (Loss) on Derivative, Net 0.0 $ (2.2) (1.6) $ (9.9)  
Derivative, Notional Amount $ 0.0   $ 0.0   $ 181.0