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Discontinued Operations (Tables)
 12 Months Ended
Dec. 31, 2011
Discontinued Operations [Abstract]  
Summary of operating results of discontinued operations
                         
    Years Ended December 31,  
    2011     2010     2009  

Revenues

   $ —       $ 2,940     $ 69,050  

Expenses and selling, general and administrative

     1,302       5,892       61,761  

Loss (recovery) attributable to expropriation

     3,092       (38,925 )        329,685  

Other (income) loss, net

     (150 )      (12,145 )      (7,571 ) 

Provision for (benefit from) income taxes

       1,719       2,795       (18,586 ) 
   

 

 

    

 

 

    

 

 

  

Income (loss) from discontinued operations, net of tax

   $ (5,963 )    $ 45,323     $ (296,239 ) 
   

 

 

    

 

 

    

 

 

  
Summary of balance sheet data for discontinued operations
                 
    December 31,  
    2011     2010  

Cash

   $ 304     $ 754  

Accounts receivable

     9       434  

Inventory

     1,017       1,077  

Other current assets

     2,683       3,653  
   

 

 

    

 

 

  

Total current assets associated with discontinued operations

     4,013       5,918  

Property, plant and equipment, net

     —         502  

Other long-term assets

     —         8,670  
   

 

 

    

 

 

  

Total assets associated with discontinued operations

   $ 4,013     $  15,090  
   

 

 

    

 

 

  

Accounts payable

   $ 589     $ 801  

Accrued liabilities

     4,295       13,932  

Deferred revenues

     1,499       821  
   

 

 

    

 

 

  

Total current liabilities associated with discontinued operations

     6,383       15,554  

Other long-term liabilities

     14,140       13,111  
   

 

 

    

 

 

  

Total liabilities associated with discontinued operations

   $  20,523     $ 28,665