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GOODWILL
9 Months Ended
Sep. 30, 2011
GOODWILL 
GOODWILL

6.      GOODWILL

 

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

 

 

 

Explosive

 

 

 

 

 

 

 

Metalworking

 

Oilfield

 

 

 

 

 

Group

 

Products

 

Total

 

Goodwill balance at December 31, 2010

 

$

22,458

 

$

16,715

 

$

39,173

 

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

 

(265

)

(378

)

(643

)

Adjustment due to exchange rate differences

 

570

 

446

 

1,016

 

 

 

 

 

 

 

 

 

Goodwill balance at September 30, 2011

 

$

22,763

 

$

16,783

 

$

39,546