Derivative Instruments And Hedging Activities (Narrative) (Details) - Interest Rate Swaps [Member] - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
May. 31, 2015 |
Feb. 28, 2015 |
|
| Designated As Hedging Instrument [Member] | Cash Flow Hedging [Member] | ||
| Derivative [Line Items] | ||
| Additional reclassification as decrease from AOCL to CAF income | $ 10.1 | |
| Derivative notional amount | 1,680.0 | $ 1,400.0 |
| Not Designated As Hedging Instrument [Member] | ||
| Derivative [Line Items] | ||
| Offsetting notional amount of interest rate derivatives | $ 0.0 | $ 0.0 |