Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Net unrealized gain on foreign currency derivatives designated as cash flow hedges	$ 0.2
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative contracts	23.4	$ 56.8
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative contracts	$ 370.0