Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of loss before income taxes

	December 31,			December 31,			September 30,
	2019			2018			2018
	(in millions)
UK	$	(23.3	)	$	(3.7	)	$	(18.9	)
North America		(15.2	)		(0.8	)		(1.1	)
Mainland Europe		1.9			0.3			(0.2	)
South America		(0.3	)		(0.5	)		(0.2	)
Total loss before income taxes	$	(36.9	)	$	(4.7	)	$	(20.4	)

Schedule of income tax expense

	Year Ended December 31,		Three Months Ended December 31,		Year Ended September 30,
	2019		2018		2018
	(in millions)
Income tax expense:
Current
UK	$	—	$	—	$	—
Mainland Europe		0.1		—		0.2
South America		—		—		—
Total current taxes	$	0.1	$	—	$	0.2

Schedule of net deferred tax assets and liabilities

	December 31,			September 30,
	2019			2018
	(in millions)
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	$	—		$	—

Schedule of differences between the UK statutory tax rate and our effective rate

	December 31,			December 31,			September 30,
	2019			2018			2018
Statutory income tax		21.0	%		21.0	%		24.5	%
State taxes (net of federal)		3.3	%		6.5	%		4.9	%
Tax effect of permanent differences		(9.8	)%		6.9	%		8.4	%
Effect of foreign taxes		(1.5	)%		(3.7	)%		(8.4	)%
True ups		3.2	%		(6.3	)%
Rate change		(0.5	)%		(14.2	)%		(9.0	)%
Valuation allowance		(15.9	)%		(11.4	)%		(21.3	)%
Effective income tax rate		(0.2	)%		(1.2	)%		(0.9	)%