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Inventories (Tables)
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Summary of Inventories
The following table summarizes the components of inventories:
(in millions)
2013
 
2012
Raw materials
$
46.1

 
$
56.8

Work in process
24.3

 
26.8

Finished goods
39.4

 
36.3

Total inventories
$
109.8

 
$
119.9