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v3.25.3

Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jul. 30, 2024 | Jan. 12, 2022 | Apr. 30, 2021
Line of Credit |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit facility |  |  |  |  | $ 290.0 |  | $ 250.0
Line of credit, amount available | $ 287.4 |  | $ 287.4 |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Long-term debt outstanding | 0.0 |  | 0.0 |  |  |  |
Line of Credit | Letter of Credit |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Long-term debt outstanding | 2.6 |  | 2.6 |  |  |  |
Senior Notes |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt issuance costs | 5.5 |  | 5.5 |  |  |  |
Senior Notes | Senior Notes Due 2030 |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Convertible notes issued |  |  |  |  |  | $ 550.0 |
Debt instrument, interest rate (as a percent) |  |  |  |  |  | 5.00% |
Interest expense | 7.2 | $ 7.1 | 21.5 | $ 21.4 |  |  |
Amortization of debt issuance costs | $ 0.3 | $ 0.3 | $ 0.8 | $ 0.8 |  |  |
Effective interest rate (as a percent) | 5.40% | 5.40% | 5.40% | 5.40% |  |  |

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