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Inventories
6 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
The components of inventories are as follows:
31 March30 September
20212020
Finished goods$143.7 $134.5 
Work in process25.0 21.3 
Raw materials, supplies and other261.6 249.0 
Inventories$430.3 $404.8