Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Schedule of of lease expense

	Year Ended December 31,		Three Months Ended December 31,		Year Ended September 30,
	2019		2018		2018
	(in millions)
Operating lease costs	$	2.1	$	0.6	$	1.6
Short-term lease costs		0.9		—		—
Variable lease costs		0.7		—		—
Total	$	3.7	$	0.6	$	1.6

Weighted average remaining lease term	22.4 months
Weighted average discount rate		8.3	%

Schedule of Future minimum lease payments

Year ending December 31, (in millions)
2020	$	3.8
2021		2.7
2022		1.4
2023		0.8
2024		0.6
Thereafter		1.1
Total future minimum lease payments		10.4
Less: imputed interest		(1.6	)
Total	$	8.8

Schedule of lease income

	Year Ended December 31,		Three Months Ended December 31,	Year Ended September 30,
	2019		2018	2018
	(in millions)
Interest receivable from sales type leases	$	0.1	$	$
Operating lease income		0.9
Variable income from sales type leases		0.3
Total	$	1.3	$	$

Schedule of Future minimum sales type lease receivables

Year ending December 31, (in millions)
2020	$	1.5
2021		0.6
2022		0.4
2023		0.1
Total future minimum lease receivables		2.6
Less: imputed interest		(0.1	)
Total	$	2.5

Schedule of Future minimum operating lease receivables

Year ending December 31, (in millions)
2020	$	3.9
2021		3.7
2022		1.4
Total future minimum lease receivables	$	9.0