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ACCOUNTS RECEIVABLE, NET
12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
ACCOUNTS RECEIVABLE, NET
ACCOUNTS RECEIVABLE, NET
 
December 31, 2016
 
December 31,
2015
Gross accounts receivable
$
1,564.3

 
$
1,434.9

Less allowance for doubtful accounts
(235.6
)
 
(217.0
)
 
$
1,328.7

 
$
1,217.9


The provision for doubtful accounts was $287.3, $265.4 and $276.5 in 2016, 2015 and 2014 respectively.