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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2012
Discontinued Operations [Abstract]  
Revenue and components of discontinued operations, net of tax
                                 
    Three Months  Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Revenue

  $ —       $ 4,716     $ 5,704     $ 14,409  
   

 

 

   

 

 

   

 

 

   

 

 

 

Income (loss) from discontinued operations before income taxes

  $ —       $ 94     $ (11,942   $ 763  

Income tax (expense) benefit

    —         (34     4,678       (297
   

 

 

   

 

 

   

 

 

   

 

 

 

Income (loss) from discontinued operations

    —         60       (7,264     466  
   

 

 

   

 

 

   

 

 

   

 

 

 

Loss on sale of discontinued operations, before income taxes

    —         —         (2,416     —    

Income tax benefit

    —         —         586       —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Loss on sale of discontinued operations

    —         —         (1,830     —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Total income (loss) from discontinued operations

  $ —       $ 60     $ (9,094   $ 466