Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) In Thousands, unless otherwise specified	Dec. 31, 2014 AUD	Dec. 31, 2014 CAD	Dec. 31, 2014 CHF	Dec. 31, 2014 CNY	Dec. 31, 2014 DKK	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 GBP (£)	Dec. 31, 2014 HKD	Dec. 31, 2014 INR	Dec. 31, 2014 JPY (¥)	Dec. 31, 2014 NZD	Dec. 31, 2014 SGD
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	3,453	5,932	19,950	83,417	11,800	€ 29,618	£ 25,200	51,625	846,058	¥ 154,184	20	11,550