Derivative Instruments And Hedging Activities (Narrative) (Details) - Designated As Hedging Instrument - Interest Rate Swaps - Cash Flow Hedging - USD ($) $ in Millions	9 Months Ended
	Nov. 30, 2015	Feb. 28, 2015
Derivative [Line Items]
Additional reclassification as decrease from AOCL to CAF income within the next 12 months	$ 7.2
Derivative notional amount	$ 2,300.0	$ 1,400.0