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Inventories (Tables)
9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories at September 30, 2017 and December 31, 2016 were as follows (in millions):
 
September 30, 2017
 
December 31, 2016
Finished goods
$
815.0

 
$
589.3

Repair and replacement parts
599.0

 
532.5

Work in process
215.3

 
113.8

Raw materials
435.9

 
279.2

Inventories, net
$
2,065.2

 
$
1,514.8