Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Jun. 30, 2021 € 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	AUD ($)	BRL (R$)	GBP (£)	CAD ($)	CNY (¥)	CZK (Kč)	DKK (kr)	EUR (€)	HKD ($)	INR (₨)	JPY (¥)	KRW (₩)	SGD ($)	CHF (SFr)	SEK (kr)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net notional foreign currency forward contracts outstanding	$ 28,000	R$ 700	£ 7,700	$ 5,950	¥ 11,000	Kč 104,600	kr 22,000	€ 5,836	$ 39,275	₨ 755,000	¥ 239,000	₩ 189,000	$ 13,800	SFr 183,050	kr 1,500