Derivative Financial Instruments (Schedule Of Contracts Designated As Hedged Instruments) (Details) - Designated as Hedging Instrument [Member] € in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 CAD ($)	Dec. 31, 2021 CAD ($)	Sep. 30, 2022 EUR (€)	Dec. 31, 2021 EUR (€)
Canadian Dollars [Member]
Foreign Exchange Contracts [Line Items]
Foreign exchange contracts, Notional Amount \| $	$ 8,604	$ 14,850
Derivative, Maturity Date	Feb. 01, 2023	Feb. 01, 2023
Euros [Member]
Foreign Exchange Contracts [Line Items]
Foreign exchange contracts, Notional Amount \| €			€ 13,370	€ 20,104
Derivative, Maturity Date	Feb. 01, 2023	Feb. 01, 2023