Leases, Codification Topic 842 (Details) $ in Millions	3 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 27.2
Finance Lease, Right-of-Use Asset	2.0
Operating Lease, Liability, Current	4.4
Operating Lease, Liability, Noncurrent	24.5
Finance Lease, Liability, Current	0.9
Finance Lease, Liability, Noncurrent	1.1
Operating Lease, Payments	1.4
Finance Lease, Principal Payments	$ 0.3
Operating Lease, Weighted Average Remaining Lease Term	8 years 4 months 28 days
Finance Lease, Weighted Average Remaining Lease Term	2 years 7 months 17 days
Operating Lease, Weighted Average Discount Rate, Percent	5.78%
Finance Lease, Weighted Average Discount Rate, Percent	5.37%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 4.5
Lessee, Operating Lease, Liability, Payments, Due Year Two	5.1
Lessee, Operating Lease, Liability, Payments, Due Year Three	4.3
Lessee, Operating Lease, Liability, Payments, Due Year Four	3.9
Lessee, Operating Lease, Liability, Payments, Due Year Five	3.7
Lessee, Operating Lease, Liability, Payments, Due after Year Five	16.1
Lessee, Operating Lease, Liability, Payments, Due	37.6
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	8.7
Operating Lease, Liability	28.9
Total right of use assets	29.2
Total lease liabilities	30.9
Operating Lease, Expense	1.6
Finance Lease, Right-of-Use Asset, Amortization	0.3
Total lease expense	1.9
Finance Lease, Liability	2.0
Finance Lease, Liability, Payments, Remainder of Fiscal Year	0.9
Finance Lease, Liability, Payments, Due Year Two	0.9
Finance Lease, Liability, Payments, Due Year Three	0.6
Finance Lease, Liability, Payments, Due Year Four	0.2
Finance Lease, Liability, Payments, Due Year Five	0.0
Finance Lease, Liability, Payments, Due after Year Five	0.0
Finance Lease, Liability, Payment, Due	2.6
Finance Lease, Liability, Undiscounted Excess Amount	$ 0.6