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v3.25.3

Debt - Senior Credit Agreement (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Debt Instrument [Line Items] |  |  |  |
Debt, gross |  | $ 1,080,600,000 |  |
Repayments of Debt |  | 103,800,000 | $ 698,800,000 | $ 920,900,000
Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense on debt |  | 61,900,000 | 74,300,000 | 68,500,000
Secured Debt | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Payments for Loans |  | 23,800,000 |  |
Revolver | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt, gross |  | $ 130,000,000.0 | $ 125,000,000.0 |
Interest expense on debt |  |  |  | $ 1,100,000
Effective interest rate |  | 6.00% | 7.065% |
2022 Credit Facilities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount of line of credit | $ 950,000,000.0 |  |  |
2022 Credit Facilities | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 1.375% |  |
2022 Credit Facilities | Minimum | Base Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 0.375% |  |
2022 Credit Facilities | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 2.25% |  |
2022 Credit Facilities | Maximum | Base Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 1.25% |  |
2022 Credit Facilities | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum consolidated leverage ratio |  | 4.5 |  |
Minimum consolidated interest coverage ratio |  | 3.0 |  |
2022 Term Loans | Secured Debt | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount of line of credit | $ 475,000,000.0 |  |  |
Term of debt | 5 years |  |  |
Debt Instrument, Periodic Payment |  | $ 5,900,000 |  |
2022 Revolver | Revolver | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount of line of credit | $ 475,000,000.0 |  |  |
Term of debt | 5 years |  |  |
Line of credit, sublimit | $ 100,000,000.0 |  |  |
Remaining borrowing capacity |  | 341,600,000 |  |
2019 Term Loans | Revolver | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of Debt |  | 445,600,000 |  |
2019 Credit Facilities | Revolver | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of Debt |  | 290,000,000.0 |  |
Term Loan | Secured Debt | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt, gross |  | $ 415,600,000 | $ 439,400,000 |
Effective interest rate |  | 6.04% | 7.015% |
Term Loan | Revolver | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Letters of credit outstanding |  | $ 3,400,000 |  |

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