Commitments and Contingencies Future Minimum Lease Commitments (Tables)

12 Months Ended

Sep. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future aggregate minimum lease payments under noncancelable operating leases as of September 30, 2019 are as follows:

(in millions)
Year ending September 30,
2020	$	11.2
2021	9.9
2022	7.5
2023	6.2
2024	5.8
Thereafter	2.6
	$	43.2