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Description Of Business And Basis Of Presentation (Schedule Of Average Exchange Rates Used To Translate Balances) (Details) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Canadian Dollar (CAD) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 1.3683 | 1.3437 | 1.3579 | 1.3480
Average Rates % Change | (1.80%) |  | (0.70%) |
Euros (EUR) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 0.9290 | 0.9181 | 0.9250 | 0.9252
Average Rates % Change | (1.20%) |  |  |
Polish Zloty (PLN) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 3.9965 | 4.1758 | 3.9932 | 4.2835
Average Rates % Change | 4.30% |  | 6.80% |

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