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Inventories
3 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of (in millions):
December 31, 2021September 30, 2021
Finished goods$296.7 $287.0 
Work in process265.3 229.3 
Raw materials306.9 281.8 
Inventories$868.9 $798.1