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Description Of Business And Basis Of Presentation (Exchange Rates) (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Canadian Dollar [Member]          
Currency [Line Items]          
Ending rates 1.3009 1.2474 1.3009 1.2474 1.3840
Average Rates 1.2890 1.2302 1.3311 1.2354  
Average Rates % Change (4.80%)   (7.70%)    
Euros [Member]          
Currency [Line Items]          
Ending rates 0.9063 0.8967 0.9063 0.8967 0.9209
Average Rates 0.8856 0.9041 0.8961 0.8964  
Average Rates % Change 2.00%   0.00%    
Polish Zloty [Member]          
Currency [Line Items]          
Ending rates 3.9625 3.7550 3.9625 3.7550 3.9464
Average Rates 3.8726 3.6972 3.9141 3.7104  
Average Rates % Change (4.70%)   (5.50%)