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Goodwill and Other Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2012
Goodwill and Other Intangible Assets [Abstract]  
Schedule of Changes in Intangible Assets and Goodwill
  Balance at Amortization Currency Balance at
(in thousands) December 31, 2011 Translation September 30, 2012
         
Amortized intangible assets:        
AEC trade names $43 ($4) $ - $39
AEC customer contracts 808 (152) - 656
AEC technology 228 (19) - 209
Total amortized intangible assets $1,079 ($175) $ - $904
         
Unamortized intangible assets:        
Goodwill, Machine Clothing reporting unit $75,469 $ - ($403) $75,066
Schedule of Estimated Amortization Expense
Year   Annual Amortization
(in thousands)
2012   $231
2013   231
2014   231
2015   231
2016   29