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ACCOUNTS RECEIVABLE, NET
 12 Months Ended
Dec. 31, 2011
Receivables [Abstract]  
ACCOUNTS RECEIVABLE, NET
ACCOUNTS RECEIVABLE, NET

 
December 31,
2011
 
December 31,
2010
Gross accounts receivable
$
897.4

 
$
804.8

Less allowance for doubtful accounts
(197.6
)
 
(149.2
)
 
$
699.8

 
$
655.6



The provision for doubtful accounts was $255.1, $241.5 and $248.9 in 2011, 2010 and 2009 respectively.