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Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES

Inventories at March 31, 2015 and December 31, 2014 were as follows (in millions):
 
March 31, 2015
 
December 31, 2014
Finished goods
$
714.9

 
$
616.6

Repair and replacement parts
543.8

 
536.4

Work in process
163.1

 
130.5

Raw materials
418.9

 
467.2

Inventories, net
$
1,840.7

 
$
1,750.7