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Goodwill and Intangible Assets
3 Months Ended
Mar. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill And Intangible Assets Disclosure [Text Block]

Note 11 – Goodwill and Other Intangible Assets

The changes in carrying amount of goodwill for the three months ended March 31, 2012 are as follows. The Company has recorded no impairment charges in the past:

  Metalworking       
  Process       
  Chemicals Coatings Total 
 Balance as of December 31, 2011$50,071 $8,081 $58,152 
 Currency translation adjustments 912  0  912 
 Balance as of March 31, 2012$50,983 $8,081 $59,064 

Gross carrying amounts and accumulated amortization for definite-lived intangible assets as of March 31, 2012 and December 31, 2011 are as follows:

   Gross Carrying Accumulated 
   Amount Amortization 
   2012 2011 2012 2011 
 Amortized intangible assets            
  Customer lists and rights to sell$30,645 $30,435 $6,866 $6,386 
  Trademarks and patents 4,799  4,685  2,116  1,991 
  Formulations and product technology 5,278  5,278  3,185  3,090 
  Other 5,309  5,309  3,661  3,557 
  Total$46,031 $45,707 $15,828 $15,024 

The Company recorded $746 and $486 of amortization expense in the three months ended March 31, 2012 and 2011, respectively. Estimated annual aggregate amortization expense for the current year and subsequent five years is as follows:

 For the year ended December 31, 2012$2,889 
 For the year ended December 31, 2013$2,712 
 For the year ended December 31, 2014$2,482 
 For the year ended December 31, 2015$2,482 
 For the year ended December 31, 2016$2,022 
 For the year ended December 31, 2017$1,604 

The Company has two indefinite-lived intangible assets totaling $1,100 for trademarks at March 31, 2012.