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Inventories (Tables)
12 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of (in millions):
 
 
September 30,
 
 
2019
 
2018
Finished goods
 
$
223.7

 
$
224.3

Work in process
 
178.4

 
180.0

Raw materials
 
173.6

 
177.3

Inventories
 
$
575.7

 
$
581.6