Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Mar. 31, 2019 € in Thousands, ₩ in Thousands, ₨ in Thousands, ¥ in Thousands, ¥ in Thousands, £ in Thousands, kr in Thousands, SFr in Thousands, R$ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	GBP (£)	CHF (SFr)	HKD ($)	INR (₨)	NZD ($)	EUR (€)	JPY (¥)	BRL (R$)	SGD ($)	KRW (₩)	DKK (kr)	CNY (¥)	AUD ($)	CAD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	£ 8,500	SFr 45,850	$ 36,600	₨ 448,000	$ 200	€ 2,564	¥ 1,513,000	R$ 800	$ 20,600	₩ 830,000	kr 14,182	¥ 100,500	$ 4,900	$ 2,850