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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 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)
March 31,
 
December 31,
 
2015
 
2014
Finished goods
$
141.9

 
$
134.0

Work-in-process
8.6

 
11.4

Raw materials and supplies
76.4

 
71.8

 
$
226.9

 
$
217.2

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

Amounts accrued
28.5

Returns charged to accrual
(29.4
)
Balance as of March 31, 2015
$
31.4

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

Amounts accrued
6.5

Warranties charged to accrual
(6.4
)
Balance as of March 31, 2015
$
31.4