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Derivative Financial Instruments (Schedule Of Contracts Designated As Hedged Instruments) (Details) - Designated as Hedging Instrument [Member] € in Thousands, $ in Thousands | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 CAD ($) | Dec. 31, 2022 CAD ($) | Jun. 30, 2023 EUR (€) | Dec. 31, 2022 EUR (€)
Canadian Dollars [Member] |  |  |  |
Foreign Exchange Contracts [Line Items] |  |  |  |
Foreign exchange contracts, Notional Amount | $ | $ 3,894 | $ 2,807 |  |
Derivative, Maturity Date | Feb. 01, 2024 | Feb. 01, 2023 |  |
Euros [Member] |  |  |  |
Foreign Exchange Contracts [Line Items] |  |  |  |
Foreign exchange contracts, Notional Amount | € |  |  | € 16,276 | € 20,760
Derivative, Maturity Date | Feb. 01, 2024 | Feb. 01, 2024 |  |

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