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Additional Cash Flow Information
 12 Months Ended
Dec. 31, 2012
Additional Cash Flow Information [Abstract]  
Additional Cash Flow Information
Note 17 – Additional Cash Flow Information

Changes in operating assets and liabilities, net of effects of businesses acquired consists of the following:

 
 
Years ended December 31,
 
 
 
2012
  
2011
  
2010
 
 
 
  
  
 
Accounts receivable
 
$
33,004
  
$
61,918
  
$
(89,261
)
Inventories
  
(186
)
  
(13,829
)
  
(54,358
)
Prepaid expenses and other current assets
  
2,977
   
(14,273
)
  
(22,637
)
Accounts payable
  
(9,408
)
  
(11,468
)
  
59,568
 
Other current liabilities
  
(31,539
)
  
(74,851
)
  
108,418
 
Net change in operating assets and liabilities
 
$
(5,152
)
 
$
(52,503
)
 
$
1,730