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Receivables
 12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Receivables
Receivables

Activity impacting the allowances for doubtful accounts for the years ended December 31, 2018, 2017 and 2016, was as follows:
 
2018
 
2017
 
2016
Balance at beginning of year
$
28.9

 
$
53.5

 
$
50.1

Provisions
3.1

 
2.6

 
8.0

Write-offs(1)
(4.7
)
 
(26.3
)
 
(4.0
)
Translation and other
0.3

 
(0.9
)
 
(0.6
)
Balance at end of year
$
27.6

 
$
28.9

 
$
53.5


______________________________
(1) 
Write-offs primarily consisted of fully reserved receivables for the years ended December 31, 2018, 2017 and 2016.