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ACCOUNTS RECEIVABLE, NET
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
ACCOUNTS RECEIVABLE, NET
ACCOUNTS RECEIVABLE, NET
 
December 31,
2015
 
December 31,
2014
Gross accounts receivable
$
1,434.9

 
$
1,027.3

Less allowance for doubtful accounts
(217.0
)
 
(211.6
)
 
$
1,217.9

 
$
815.7



The provision for doubtful accounts was $265.4, $276.5 and $254.8 in 2015, 2014 and 2013 respectively.