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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, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Canadian Dollar [Member] |  |  |  |
Description Of Business And Basis Of Presentation [Line Items] |  |  |  |
Average Rates | 1.0237 | 1.0104 | 1.0161 | 1.0060
Average Rates % Change | (1.30%) |  | (1.00%) |
Euros [Member] |  |  |  |
Description Of Business And Basis Of Presentation [Line Items] |  |  |  |
Average Rates | 0.7658 | 0.7796 | 0.7616 | 0.7712
Average Rates % Change | 1.80% |  | 1.20% |
Polish Zloty [Member] |  |  |  |
Description Of Business And Basis Of Presentation [Line Items] |  |  |  |
Average Rates | 3.2156 | 3.3181 | 3.1800 | 3.2724
Average Rates % Change | 3.10% |  | 2.80% |

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- Details
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