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Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2011
Shareholders' Equity  
Schedule of Accumulated Balances Related to Other Comprehensive Income (Loss)
     June 30,
2011
    December 31,
2010
 

Foreign currency translation adjustments:

    

Mexico

   $ —        $ 51   

Fair value of derivatives, net of income taxes of $2,086 in 2011 and 2010

     (1,497     (1,570
                
   $ (1,497   $ (1,519