Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Trade Receivables, Net Of Provisions (Tables)

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Trade Receivables, Net Of Provisions (Tables)
12 Months Ended
Dec. 31, 2011
Trade Receivables, Net Of Provisions [Abstract]  
Components Of Trade Receivables
    2010     2011  
Trade receivables $ 51,661   $ 19,593  
Provision for doubtful accounts   (2,606 )   (3,530 )
  $ 49,055   $ 16,063  
Change In Allowance For Doubtful Trade Receivable
    Year ended December 31,        
    2009     2010     2011  
Provision at beginning of period $ 11,983   $ 3,392   $ 2,606  
Expense for doubtful accounts   (29 )   39     3,335  
Discontinued operations   992     1,128     (2,567 )
Other(1)   (9,554 )   (1,953 )   156  
Provision at the end of period $ 3,392   $ 2,606   $ 3,530  

 

(1)     
Other includes direct write offs and cash accounting for certain trade receivables.