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Derivative Instruments And Hedging Activities (Narrative) (Details) - Interest Rate Swaps - Cash Flow Hedging - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
May 31, 2021 | Feb. 28, 2021
Designated As Hedging Instrument |  |
Derivative [Line Items] |  |
Additional reclassification from AOCL to CAF income within the next 12 months | $ 15.5 |
Derivative, Notional Amount | 2,860.0 | $ 2,430.0
Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | (0.3) |
Derivative, Notional Amount | $ 358.3 | $ 255.2

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