Income Taxes (Details 2) - USD ($) $ in Millions	Dec. 31, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Depreciation	$ 41.8	$ 32.1
Net operating losses	23.5	23.1
Other temporary differences	4.5	2.5
Total deferred tax assets	69.8	57.7
Valuation allowance balance	(65.7)	(54.9)
Net deferred tax assets	4.1	2.8
Deferred tax liabilities
Intangible assets	(2.5)	(1.0)
Other temporary differences	(1.6)	(1.8)
Net deferred tax liabilities