v2.4.0.8
Segment Information (Schedule Of Intercompany Sales By Geographic Area) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Segment Reporting Information [Line Items]        
Intercompany Sales $ 18,798 $ 12,634 $ 36,469 $ 24,176
United States [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 9,967 7,960 20,478 15,813
Germany [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 833 1,064 2,510 1,338
Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 7,156 3,589 11,479 6,974
Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 842 21 2,002 51
Intercompany Sales To United States [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 6,025 3,412 10,799 6,833
Intercompany Sales To United States [Member] | Germany [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 386 14 704 128
Intercompany Sales To United States [Member] | Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 5,292 3,384 9,223 6,661
Intercompany Sales To United States [Member] | Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 347 14 872 44
Intercompany Sales To Germany [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 5,593 4,412 12,039 8,329
Intercompany Sales To Germany [Member] | United States [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 4,658 4,369 10,441 8,270
Intercompany Sales To Germany [Member] | Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 674 36 957 52
Intercompany Sales To Germany [Member] | Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 261 7 641 7
Intercompany Sales To Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 5,845 3,833 10,886 7,176
Intercompany Sales To Other Europe [Member] | United States [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 4,234 2,899 7,838 6,004
Intercompany Sales To Other Europe [Member] | Germany [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 447 873 1,806 1,033
Intercompany Sales To Other Europe [Member] | Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 1,097 61 1,175 139
Intercompany Sales To Other Europe [Member] | Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 67   67  
Intercompany Sales To Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 1,335 977 2,745 1,838
Intercompany Sales To Asia Pacific [Member] | United States [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 1,075 692 2,199 1,539
Intercompany Sales To Asia Pacific [Member] | Germany [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales   177   177
Intercompany Sales To Asia Pacific [Member] | Other Europe [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales 93 108 124 122
Intercompany Sales To Asia Pacific [Member] | Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Intercompany Sales $ 167   $ 422