Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Sep. 30, 2018
Other Assets, Noncurrent [Abstract]
Long term finance lease receivable	$ 1.0
Long term receivables	1.5	2.2
Pension surplus		5.3
Long term prepaid expenses and other assets	2.6	4.6
Total	$ 5.1	$ 12.1