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Goodwill and Other Intangibles (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Changes in the carrying amount of goodwill, by segment    
Beginning Balance $ 12,199 $ 12,346
Currency translation 374 (147)
Additions 2,964  
Ending Balance 15,537 12,199
The Americas [Member]
   
Changes in the carrying amount of goodwill, by segment    
Beginning Balance 3,078 3,078
Currency translation 0 0
Additions 0  
Ending Balance 3,078 3,078
EMEA [Member]
   
Changes in the carrying amount of goodwill, by segment    
Beginning Balance 1,029 1,177
Currency translation (63) (148)
Additions 853  
Ending Balance 1,819 1,029
Asia-Pacific [Member]
   
Changes in the carrying amount of goodwill, by segment    
Beginning Balance 8,092 8,091
Currency translation 437 1
Additions 2,111  
Ending Balance $ 10,640 $ 8,092