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Property, Plant And Equipment
9 Months Ended
Jun. 30, 2017
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment, net consists of the following (in millions):
 
As of
 
June 30,
2017
 
September 30,
2016
Land and improvements
$
11.7

 
$
11.6

Buildings and improvements
137.5

 
133.5

Furniture and fixtures
30.7

 
29.5

Machinery and equipment
1,604.3

 
1,533.3

Construction in progress
199.4

 
59.9

Total property, plant and equipment, gross
1,983.6

 
1,767.8

Accumulated depreciation
(1,125.9
)
 
(961.5
)
Total property, plant and equipment, net
$
857.7

 
$
806.3