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Inventories (Tables)
 12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Components of inventories
The components of inventories are as follows (in millions):
 
As of December 31,
 
2013
 
2012
Finished goods
$
251.4

 
$
258.0

Work in process
11.8

 
12.0

Raw materials and parts
188.9

 
180.1

Total
452.1

 
450.1

Excess of current cost over last-in, first-out cost
(73.3
)
 
(75.3
)
Total inventories, net
$
378.8

 
$
374.8