Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) In Thousands, unless otherwise specified	Mar. 31, 2015 AUD	Mar. 31, 2015 CAD	Mar. 31, 2015 CHF	Mar. 31, 2015 CNY	Mar. 31, 2015 DKK	Mar. 31, 2015 EUR (€)	Mar. 31, 2015 GBP (£)	Mar. 31, 2015 HKD	Mar. 31, 2015 INR	Mar. 31, 2015 JPY (¥)	Mar. 31, 2015 NZD	Mar. 31, 2015 SGD
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	2,485	8,032	32,050	84,500	25,800	€ 14,818	£ 12,800	51,834	937,542	¥ 728,670	110	12,150