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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2012
Discontinued Operations [Abstract]  
Schedule of results of operations and the gain on the sale of Augers are presented as discontinued operations
The results of operations and the gain on the sale of Augers are presented as discontinued operations for all periods presented. Summarized financial information for Augers is below (in thousands):

   
Year Ended December 31
 
   
2012
  
2011
  
2010
 
Revenues
 $53,619  $47,088  $34,251 
Discontinued operations
            
Operating income (loss) before tax
 $5,218  $169  $(1,787)
Income tax provision (benefit)
  1,817   (56)  (518)
Income (loss) from operations
  3,401   225   (1,269)
              
Gain on sale of subsidiary
            
Gain on sale of subsidiary before tax
  5,357   --   -- 
Income tax provision
  1,979   --   -- 
Gain on sale of subsidiary
  3,378   --   -- 
Income (loss) from discontinued operations
 $6,779  $225  $(1,269)
 
The carrying amounts of the major classes of assets and liabilities disposed on November 30, 2012 were as follows (in thousands):
 
   
2012
 
Assets
 
 
 
Cash
 $636 
Receivables
  5,334 
Inventories
  26,568 
Prepaid and other assets
  430 
Property and equipment, net
  13,500 
Other assets
  465 
Total assets
 $46,933 
Liabilities:
    
Accounts payable
 $2,518 
Other liabilities
  6,484 
Total liabilities
  9,002 
Net assets disposed
 $37,931