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Derivative Instruments And Hedging Activities (Narrative) (Details) - Interest Rate Swaps - Cash Flow Hedging - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 31, 2024
Aug. 31, 2024
Feb. 29, 2024
Designated As Hedging Instrument      
Derivative [Line Items]      
Additional reclassification from AOCL to CAF income within the next 12 months   $ 35.0  
Derivative, Notional Amount $ 5,120.0 5,120.0 $ 5,210.0
Not Designated as Hedging Instrument [Member]      
Derivative [Line Items]      
Derivative, Gain (Loss) on Derivative, Net (4.6) (7.7)  
Derivative, Notional Amount $ 386.1 $ 386.1 $ 704.0