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Derivative Instruments And Hedging Activities (Narrative) (Details) - Cash Flow Hedging - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Designated As Hedging Instrument    
Derivative [Line Items]    
Additional reclassification from AOCL to CAF income $ 4,000  
Derivative notional amount 3,640,000 $ 2,430,000
Not Designated as Hedging Instrument | Interest Rate Swap    
Derivative [Line Items]    
Derivative notional amount 578,300 255,200
Derivative, Gain (Loss) on Derivative, Net $ 8,800 $ 1,700