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Schedule of Accrued Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
Other current liabilities: |  |
Compensation and benefits | $ 32.4 | $ 44.6
Customer rebates | 7.7 | 19.6
Warranty | 5.9 | 6.7
Deferred Revenue | 7.6 | 5.4
Customer Refund Liability, Current | 5.2 | 6.0
Accrual for Taxes Other than Income Taxes | 5.5 | 4.4
Operating lease liability, current | 3.8 | 4.0
Estimated Litigation Liability, Current | 3.1 | 2.6
CARES Act deferral, current portion | 3.6 | 3.6
Restructuring reserve, current | 2.1 | 3.1
Environmental | 1.2 | 1.2
Interest Payable | 5.3 | 6.2
Accrued Income Taxes | 1.7 | 8.5
Other Liabilities, Current | 7.4 | 11.2
Accrued liabilities | 92.5 | 127.1
Other Liabilities, Noncurrent [Abstract] |  |
Operating lease liability, noncurrent | 23.0 | 24.6
Standard Product Warranty Accrual, Noncurrent | 1.7 | 3.0
CARES Act Deferrals | 0.0 | 3.6
Transition Tax Liability | 4.1 | 4.7
Unrecognized Tax Benefits | 4.7 | 4.8
New market tax credit liabilities | 3.9 | 3.9
Workers' Compensation Liability, Noncurrent | 10.6 | 7.9
Asset Retirement Obligation | 3.6 | 3.6
Grant yet to be earned | 2.5 | 2.5
Other Accrued Liabilities, Noncurrent | 3.0 | 3.4
Other Liabilities, Noncurrent, Total | $ 57.1 | $ 62.0

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