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Schedule II - Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts and Reserves
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
For the Years Ended December 31, 2017, 2016 and 2015
(In millions)

 
Balance at beginning of year
 
Additions charged to cost and expenses
 
Write-offs
 
Recoveries
 
Other
 
Balance at end of year
2015:
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
7.9

 
$
2.8

 
$
(4.9
)
 
$
1.1

 
$
(0.6
)
 
$
6.3

2016
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
6.3

 
$
2.4

 
$
(2.7
)
 
$
0.9

 
$
(0.2
)
 
$
6.7

2017
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
6.7

 
$
3.9

 
$
(5.6
)
 
$
0.9

 
$
—

 
$
5.9