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Inventories
9 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of (in millions):
June 30, 2021September 30, 2020
Finished goods$287.8 $243.0 
Work in process200.9 159.1 
Raw materials245.7 181.9 
Inventories$734.4 $584.0