Derivative Instruments And Hedging Activities (Fair Value Of Derivatives Designated As Hedging Instruments) (Details) (Interest Rate Swap [Member], Prepaid expenses and other current assets [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Interest Rate Swap [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Interest rate fair value hedge asset at fair value	$ 0	$ 2,490