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Description Of Business And Basis Of Presentation (Average Exchange Rates) (Details) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Canadian Dollar (CAD) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 1.2754 | 1.2286 | 1.2711 | 1.2476
Average Rates % Change | (3.80%) |  | (1.90%) |
Euros (EUR) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 0.9380 | 0.8302 | 0.9145 | 0.8299
Average Rates % Change | (13.00%) |  | (10.20%) |
Polish Zloty (PLN) [Member] |  |  |  |
Currency [Line Items] |  |  |  |
Average Rates | 4.3599 | 3.7627 | 4.2390 | 3.7660
Average Rates % Change | (15.90%) |  | (12.60%) |

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