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Segment Information (Schedule Of Long-Lived Assets By Geographic Area) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]    
Long-lived assets $ 571,001 $ 390,004
United States [Member]
   
Segment Reporting Information [Line Items]    
Long-lived assets 426,221 278,590
Germany [Member]
   
Segment Reporting Information [Line Items]    
Long-lived assets 23,134 10,142
Other Europe [Member]
   
Segment Reporting Information [Line Items]    
Long-lived assets 71,269 51,029
Asia Pacific [Member]
   
Segment Reporting Information [Line Items]    
Long-lived assets $ 50,377 $ 50,243