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Leases, Codification Topic 842 (Tables) | 12 Months Ended
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Sep. 30, 2023
Leases [Abstract] |
Lease, Cost | The components of lease cost are presented below.
| Year ended September 30,
| 2023 |  | 2022 |  | 2021
| (in millions)
Operating lease cost | $ | 6.3 |  |  | $ | 5.8 |  |  | $ | 6.1 |
Finance lease cost | 1.1 |  |  | 1.3 |  |  | 1.2 |
Total lease cost | $ | 7.4 |  |  | $ | 7.1 |  |  | $ | 7.3 |
Supplemental Balance Sheet - Leases | Supplemental information regarding our lease assets and liabilities is below.
|  |  |  | September 30,
|  |  |  | 2023 |  | 2022
|  |  |  | (in millions)
Right-of-use assets: |  |  |  |  |  |
Operating leases |  | Other noncurrent assets |  | $ | 23.6 |  |  | $ | 26.0 |
Finance leases |  | Plant, property and equipment |  | 1.2 |  |  | 1.4 |
Total right-of-use assets |  |  |  | $ | 24.8 |  |  | $ | 27.4 |
Lease liabilities: |  |  |  |  |  |
Operating leases - current |  | Other current liabilities |  | $ | 4.9 |  |  | $ | 4.4 |
Operating leases - noncurrent |  | Other noncurrent liabilities |  | 19.8 |  |  | 22.4 |
Finance leases - current |  | Current portion of long-term debt |  | 0.7 |  |  | 0.8 |
Finance leases - noncurrent |  | Long-term debt |  | 0.6 |  |  | 0.8 |
Total lease liabilities |  |  |  | $ | 26.0 |  |  | $ | 28.4 |
Supplemental Information - Leases | Supplemental information related to lease terms and discount rates are presented below.
| Year ended September 30,
| 2023 |  | 2022
Weighted-average remaining lease term (years): |  |  |
Operating leases | 5.81 |  | 6.67
Finance leases | 2.24 |  | 2.15
Weighted-average interest rate: |  |  |
Operating leases | 5.51 | % |  | 5.48 | %
Finance leases | 4.69 | % |  | 3.64 | %
Lease Maturity Schedule | Total lease liabilities at September 30, 2023 have scheduled maturities as follows:
| Operating Leases |  | Finance Leases
| (in millions)
2024 | $ | 6.2 |  |  | $ | 0.7 |
2025 | 5.7 |  |  | 0.4 |
2026 | 5.2 |  |  | 0.2 |
2027 | 4.3 |  |  | 0.1 |
2028 | 2.7 |  |  | — |
Thereafter | 4.9 |  |  | — |
Total lease payments | 29.0 |  |  | 1.4 |
Less: imputed interest | (4.3) |  |  | (0.1) |
Present value of lease liabilities | $ | 24.7 |  |  | $ | 1.3 |
ScheduleOfCashFlowSupplementalDisclosures - Leases | Supplemental cash flow information related to leases are presented below, in millions.
| Year ended September 30,
| 2023 |  | 2022
| (in millions)
Operating cash used for operating leases | $ | 6.4 |  |  | $ | 5.8 |
Financing cash used for finance leases | $ | 1.1 |  |  | $ | 0.7 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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