Derivative Financial Instruments (Schedule Of Net Notional Foreign Currency Forward Contracts Outstanding) (Details) - Sep. 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	$ 19,000	R$ 2,000	£ 24,800	$ 5,950	¥ 36,400	Kč 71,000	kr 16,300	€ 31,098	$ 30,975	₨ 256,000	¥ 992,000	₩ 458,000	$ 12,200	SFr 192,650	kr 6,800