Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Sep. 30, 2019 € in Thousands, ₩ in Thousands, ₨ in Thousands, ¥ in Thousands, ¥ in Thousands, £ in Thousands, kr in Thousands, kr in Thousands, SFr in Thousands, R$ in Thousands, Kč in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	GBP (£)	KRW (₩)	SEK (kr)	DKK (kr)	INR (₨)	JPY (¥)	CHF (SFr)	AUD ($)	CZK (Kč)	HKD ($)	BRL (R$)	EUR (€)	SGD ($)	CAD ($)	CNY (¥)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	£ 1,800	₩ 609,000	kr 7,600	kr 9,300	₨ 599,000	¥ 78,001	SFr 15,418	$ 20,300	Kč 78,000	$ 33,700	R$ 1,900	€ 5,564	$ 13,400	$ 2,050	¥ 59,880