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Segment Information (Schedule Of Capital Expenditures By Geographic Area) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]      
Capital Expenditures $ 6,972 $ 3,224 $ 2,870
United States [Member]
     
Segment Reporting Information [Line Items]      
Capital Expenditures 5,166 2,177 1,964
Germany [Member]
     
Segment Reporting Information [Line Items]      
Capital Expenditures 21 49 6
Other Europe [Member]
     
Segment Reporting Information [Line Items]      
Capital Expenditures 1,171 857 896
Asia Pacific [Member]
     
Segment Reporting Information [Line Items]      
Capital Expenditures $ 614 $ 141 $ 4