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Inventories
12 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of (in millions):
 
 
September 30,
 
 
2020
 
2019
Finished goods
 
$
243.0

 
$
223.7

Work in process
 
159.1

 
178.4

Raw materials
 
181.9

 
173.6

Inventories
 
$
584.0

 
$
575.7