Leases (Tables)

3 Months Ended

Dec. 31, 2019

Sep. 30, 2019

Leases [Abstract]

Summary of ROU Assets and Lease Liabilities

	December 31, 2019
ROU assets:
Other assets	$	13.9
Lease liabilities:
Other current liabilities	$	2.7
Other liabilities	12.4
Total lease liabilities	$	15.1

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	December 31, 2019
Remaining Fiscal 2020	$	2.6
Fiscal 2021	2.8
Fiscal 2022	2.7
Fiscal 2023	2.5
Fiscal 2024	1.9
Thereafter	4.7
Total future minimum payments	17.2
Less: Implied interest	(2.1		)
Total lease liabilities	$	15.1

Schedule of Future Minimum Rental Payments for Operating Leases

	September 30, 2019
Fiscal 2020	$	2.7
Fiscal 2021	2.7
Fiscal 2022	2.7
Fiscal 2023	2.7
Fiscal 2024	1.9
Thereafter	4.7
Total future minimum payments	$	17.4