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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2015
Accounting Policies [Abstract]  
Schedule of Inventory, Current
Inventories are stated at the lower of cost or market, determined by the first-in, first-out method, and consist of the following:
(in millions)
June 30,
 
December 31,
 
2015
 
2014
Finished goods
$
147.4

 
$
134.0

Work-in-process
12.1

 
11.4

Raw materials and supplies
72.3

 
71.8

 
$
231.8

 
$
217.2

Changes in accrued sales returns
The Company had the following activity for sales returns from December 31, 2014 to June 30, 2015:
(in millions)
 
Balance as of December 31, 2014
$
32.3

Amounts accrued
57.7

Returns charged to accrual
(58.8
)
Balance as of June 30, 2015
$
31.2

Warranty activity
The Company had the following activity for warranties from December 31, 2014 to June 30, 2015:
(in millions)
Balance as of December 31, 2014
$
31.3

Amounts accrued
15.1

Warranties charged to accrual
(15.9
)
Balance as of June 30, 2015
$
30.5