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Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories:
     
The components of inventories are as follows (in millions):

 
As of September 30, 2013
 
As of December 31, 2012
Finished goods
$
292.9

 
$
258.0

Work in process
12.7

 
12.0

Raw materials and parts
199.7

 
180.1

 
505.3

 
450.1

Excess of current cost over last-in, first-out cost
(75.3
)
 
(75.3
)
Total inventories, net
$
430.0

 
$
374.8