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Inventories
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories:
     
The components of inventories are as follows (in millions):
 
As of September 30, 2014
 
As of December 31, 2013
Finished goods
$
357.4

 
$
251.4

Work in process
14.4

 
11.8

Raw materials and parts
199.2

 
188.9

Subtotal
571.0

 
452.1

Excess of current cost over last-in, first-out cost
(69.5
)
 
(73.3
)
Total inventories, net
$
501.5

 
$
378.8