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Inventories
 6 Months Ended
Jan. 31, 2017
Inventory, Net [Abstract]  
Inventories
Inventories
The components of inventory as of January 31, 2017 and July 31, 2016, are as follows (in millions):
 
January 31,
2017
 
July 31,
2016
Raw materials
$
77.8

 
$
92.5

Work in process
25.0

 
18.4

Finished products
157.6

 
123.2

Total inventories
$
260.4

 
$
234.1