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GOODWILL
 9 Months Ended
Sep. 30, 2012
GOODWILL  
GOODWILL

5.      GOODWILL

 

The changes to the carrying amount of goodwill during the period are summarized below:

 

 

 

Explosive

 

Oilfield

 

 

 

 

 

Metalworking

 

Products

 

Total

 

Goodwill balance at December 31, 2011

 

$

21,637

 

$

15,870

 

$

37,507

 

Adjustment due to recognition of tax benefit of tax amortization of certain goodwill

 

(240

)

(362

)

(602

)

Adjustment due to exchange rate differences

 

(151

)

(117

)

(268

)

 

 

 

 

 

 

 

 

Goodwill balance at September 30, 2012

 

$

21,246

 

$

15,391

 

$

36,637