Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Mar. 31, 2017 € in Thousands, ₨ in Thousands, ¥ in Thousands, ¥ in Thousands, £ in Thousands, SGD in Thousands, SFr in Thousands, HKD in Thousands, DKK in Thousands, CAD in Thousands, BRL in Thousands, AUD in Thousands	EUR (€)	DKK	GBP (£)	JPY (¥)	CHF (SFr)	AUD	HKD	BRL	SGD	INR (₨)	CAD	CNY (¥)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	€ 11,300	DKK 5,300	£ 3,500	¥ 1,030,000	SFr 32,650	AUD 6,400	HKD 26,000	BRL 8,900	SGD 10,400	₨ 44,000	CAD 3,250	¥ 62,500