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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

For the years ended December:
(in millions)

Description
 
Balance at
Beginning of
Period
 
Charged to
Expenses
 
Write-offs
 
Other
 
Balance at
End of Period
 
Allowance for doubtful accounts
 
 
 
 
 
 
 
 
 
 
 
2017
 
$
10.0

 
$
1.3

 
$
(9.2
)
 
$

 
$
2.1

(1) 
2016
 
$
7.2

 
$
3.6

 
$
(0.8
)
 
$

 
$
10.0

(2) 
2015
 
$
3.7

 
$
6.7

 
$
(3.4
)
 
$
0.2

 
$
7.2

 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for sales returns
 
 

 
 

 
 

 
 

 
 

 
2017
 
$
1.6

 
$
1.8

 
$

 
$
(1.6
)
(3) 
$
1.8

 
2016
 
$
3.5

 
$
1.6

 
$

 
$
(3.5
)
(3) 
$
1.6

 
2015
 
$
7.8

 
$
3.5

 
$

 
$
(7.8
)
(3) 
$
3.5

 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for inventory returns
 
 

 
 

 
 

 
 

 
 

 
2017
 
$
(0.8
)
 
$
(0.9
)
 
$

 
$
0.8

(3) 
$
(0.9
)
 
2016
 
$
(2.7
)
 
$
(0.8
)
 
$

 
$
2.7

(3) 
$
(0.8
)
 
2015
 
$
(6.4
)
 
$
(2.7
)
 
$

 
$
6.4

(3) 
$
(2.7
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for deferred tax assets
 
 

 
 

 
 

 
 

 
 

 
2017
 
$
69.7

 
$
(28.6
)
 
$
(3.0
)
 
$
(19.2
)
 
$
18.9

 
2016
 
$
64.0

 
$
6.0

 
$
(1.9
)
 
$
1.6

 
$
69.7

 
2015
 
$
35.8

 
$
28.6

 
$

 
$
(0.4
)
 
$
64.0

 
 
 
 
 
(1) 
Excludes approximately $0.4 million of reserves related to non-trade receivables.
(2) 
Excludes approximately $5.6 million of reserves related to notes receivable and tax refund receivables.
(3) 
Amounts represent gross revenue and cost reversals to the estimated sales returns and allowances accounts.