Derivative Financial Instruments (Schedule Of Contracts Designated As Hedged Instruments) (Details) - Designated as Hedging Instrument [Member] € in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023 EUR (€)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 CAD ($)
Canadian Dollars [Member]
Foreign Exchange Contracts [Line Items]
Foreign exchange contracts, Notional Amount \| $			$ 2,807
Derivative, Maturity Date		Feb. 01, 2023
Euros [Member]
Foreign Exchange Contracts [Line Items]
Foreign exchange contracts, Notional Amount \| €	€ 20,871	€ 20,760
Derivative, Maturity Date	Feb. 01, 2024	Feb. 01, 2024