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Inventories (Tables)
6 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
The components of inventories are as follows:
31 March30 September
20222021
Finished goods$173.5 $150.7 
Work in process22.3 24.0 
Raw materials, supplies and other311.7 279.2 
Inventories$507.5 $453.9