Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Jun. 30, 2018 € 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	KRW (₩)	INR (₨)	DKK (kr)	NZD ($)	GBP (£)	JPY (¥)	CNY (¥)	AUD ($)	CAD ($)	HKD ($)	BRL (R$)	SGD ($)	EUR (€)	CHF (SFr)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	₩ 1,742,000	₨ 23,000	kr 32,567	$ 500	£ 3,800	¥ 2,021,000	¥ 89,600	$ 14,500	$ 5,050	$ 20,800	R$ 10,300	$ 13,800	€ 7,064	SFr 20,250