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Description Of Business And Basis Of Presentation (Exchange Rates) (Details) | 3 Months Ended | 9 Months Ended |
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Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Canadian Dollar (CAD) [Member] |  |  |  |  |
Currency [Line Items] |  |  |  |  |
Ending rates | 1.2480 |  | 1.2480 |  | 1.3427
Average Rates | 1.2531 | 1.3049 | 1.3072 | 1.3224 |
Average Rates % Change | 4.00% |  | 1.10% |  |
Euros (EUR) [Member] |  |  |  |  |
Currency [Line Items] |  |  |  |  |
Ending rates | 0.8466 |  | 0.8466 |  | 0.9476
Average Rates | 0.8512 | 0.8965 | 0.8997 | 0.8962 |
Average Rates % Change | 5.10% |  | (0.40%) |  |
Polish Zloty (PLN) [Member] |  |  |  |  |
Currency [Line Items] |  |  |  |  |
Ending rates | 3.6506 |  | 3.6506 |  | 4.2065
Average Rates | 3.6219 | 3.8890 | 3.8379 | 3.9057 |
Average Rates % Change | 6.90% |  | 1.70% |  |
British Pound (GBP) [Member] |  |  |  |  |
Currency [Line Items] |  |  |  |  |
Ending rates | 0.7466 |  | 0.7466 |  | 0.8106
Average Rates | 0.7641 | 0.7619 | 0.7845 | 0.7194 |
Average Rates % Change | (0.30%) |  | (9.00%) |  |

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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