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Description Of Business And Basis Of Presentation (Tables) | 3 Months Ended
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Mar. 31, 2018
Description Of Business And Basis Of Presentation [Abstract] |
Average Exchange Rates |
﻿ |  |  |  |
﻿ |  | March 31, |  | December 31,
﻿Ending Rates |  | 2018 |  | 2017
﻿Canadian dollar (CAD) |  | 1.2894 |  | 1.2545
﻿Euros (EUR) |  | 0.8126 |  | 0.8334
﻿Polish zloty (PLN) |  | 3.4210 |  | 3.4841
﻿British pound (GBP) |  | 0.7121 |  | 0.7396
﻿ The average exchange rates to the U.S. dollar used to translate balances during each reported period are as follows: ﻿ ﻿
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | For the three months |  |
﻿ |  | ended March 31, |  |
﻿Average Rates |  | 2018 |  | 2017 |  | % Change
﻿Canadian dollar (CAD) |  | 1.2643 |  | 1.3234 |  | 4.5%
﻿Euros (EUR) |  | 0.8136 |  | 0.9384 |  | 13.3%
﻿Polish zloty (PLN) |  | 3.3992 |  | 4.0563 |  | 16.2%
﻿British pound (GBP) |  | 0.7186 |  | 0.8071 |  | 11.0%
﻿Source: Pacific Exchange Rate Service |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿

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