Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Mar. 31, 2020 € 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 (£)	CNY (¥)	SEK (kr)	KRW (₩)	DKK (kr)	EUR (€)	AUD ($)	CHF (SFr)	CZK (Kč)	INR (₨)	CAD ($)	HKD ($)	SGD ($)	JPY (¥)	BRL (R$)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	£ 9,000	¥ 26,452	kr 800	₩ 1,682,000	kr 3,400	€ 6,802	$ 39,600	SFr 164,097	Kč 18,600	₨ 1,203,000	$ 1,450	$ 35,000	$ 17,100	¥ 400,999	R$ 1,000