Inventories (Tables)

12 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of the following:

	September 30, 2020		September 30, 2019
Finished products	$	—	$	6.8
Semi-finished products		—		11.0
Raw materials and supplies		6.5		8.7
Inventories	$	6.5	$	26.5