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Inventories (Tables)
3 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory
The components of inventories are as follows:
 
 
31 December
 
30 September
 
 
2019
 
2019
Finished goods
 

$127.0

 

$128.8

Work in process
 
29.8

 
27.5

Raw materials, supplies and other
 
243.8

 
232.0

Inventories
 

$400.6

 

$388.3