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Leases, Codification Topic 842 (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2020 | Sep. 30, 2019
Leases [Abstract] |  |  |
Operating Lease, Expense | $ 1.6 | $ 3.2 |
Finance Lease, Right-of-Use Asset, Amortization | 0.3 | 0.6 |
Total lease expense | 1.9 | 3.8 |
Operating Lease, Payments |  | 2.9 |
Finance Lease, Principal Payments |  | 0.7 |
Operating Lease, Right-of-Use Asset | 26.7 | 26.7 | $ 0.0
Finance Lease, Right-of-Use Asset | 2.5 | 2.5 |
Total right of use assets | 29.2 | 29.2 |
Operating Lease, Liability, Current | 4.4 | 4.4 | 0.0
Operating Lease, Liability, Noncurrent | 24.0 | 24.0 | $ 0.0
Finance Lease, Liability, Current | 1.1 | 1.1 |
Finance Lease, Liability, Noncurrent | 1.5 | 1.5 |
Total lease liabilities | 31.0 | 31.0 |
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year | 3.6 | 3.6 |
Lessee, Operating Lease, Liability, Payments, Due Year Two | 5.3 | 5.3 |
Lessee, Operating Lease, Liability, Payments, Due Year Three | 4.5 | 4.5 |
Lessee, Operating Lease, Liability, Payments, Due Year Four | 4.0 | 4.0 |
Lessee, Operating Lease, Liability, Payments, Due Year Five | 3.9 | 3.9 |
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 16.0 | 16.0 |
Lessee, Operating Lease, Liability, Payments, Due | 37.3 | 37.3 |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 8.9 | 8.9 |
Operating Lease, Liability | 28.4 | 28.4 |
Finance Lease, Liability, Payments, Remainder of Fiscal Year | 0.8 | 0.8 |
Finance Lease, Liability, Payments, Due Year Two | 1.1 | 1.1 |
Finance Lease, Liability, Payments, Due Year Three | 0.7 | 0.7 |
Finance Lease, Liability, Payments, Due Year Four | 0.4 | 0.4 |
Finance Lease, Liability, Payments, Due Year Five | 0.0 | 0.0 |
Finance Lease, Liability, Payments, Due after Year Five | 0.0 | 0.0 |
Finance Lease, Liability, Payment, Due | 2.9 | 2.9 |
Finance Lease, Liability, Undiscounted Excess Amount | 0.3 | 0.3 |
Finance Lease, Liability | $ 2.6 | $ 2.6 |
Operating Lease, Weighted Average Remaining Lease Term | 8 years 1 month 24 days | 8 years 1 month 24 days |
Finance Lease, Weighted Average Remaining Lease Term | 2 years 8 months 4 days | 2 years 8 months 4 days |
Operating Lease, Weighted Average Discount Rate, Percent | 5.71% | 5.71% |
Finance Lease, Weighted Average Discount Rate, Percent | 5.23% | 5.23% |

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