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Leases (Tables) | 12 Months Ended
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Sep. 30, 2023
Leases [Abstract] |
Schedule of Operating Lease Costs and Other Related Information | The following table presents operating lease costs and other related information as of and for the fiscal years ended September 30, 2023 and 2022 (in millions, except as stated):
| Year Ended September 30,
| 2023 | 2022
Operating lease costs (1) | $ | 28.0 |  | $ | 25.7 |
Supplemental cash flow information and non-cash activity: |  |
Cash paid for amounts included in the measurement of operating lease liabilities | $ | 18.4 |  | $ | 16.4 |
Right-of-use assets obtained in exchange for operating lease liabilities | $ | 14.3 |  | $ | 12.4 |
Lease term and discount rate information: |  |
Weighted average remaining lease term (years) | 9.8 | 10.9
Weighted average discount rate | 4.5 | % | 4.3 | %
(1) Includes short-term leases and variable lease costs, which are immaterial.
Schedule of Maturities of the Lease Liabilities | The maturities of the lease liabilities are as follows as of September 30, 2023 (in millions):
2024 | $ | 19.9 |
2025 | 19.7 |
2026 | 20.2 |
2027 | 19.8 |
2028 | 17.8 |
After 2028 | 85.9 |
Total lease payments | 183.3 |
Less: interest | 34.0 |
Present value of lease liabilities | $ | 149.3 |

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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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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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