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v3.24.3

Supplemental equity and other information - Narrative (Details) $ / shares in Units, equityInstrument in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) equityInstrument $ / shares shares | Sep. 30, 2023 USD ($) | Dec. 31, 2023 $ / shares shares | Feb. 01, 2022 USD ($)
Stockholders Equity Note |  |  |  |  |  |
Share-based compensation cost | $ | $ 2.9 | $ 3.9 | $ 9.2 | $ 12.7 |  |
Unrecognized compensation cost related to non-vested share-based compensation | $ | $ 18.8 |  | $ 18.8 |  |  |
Weighted average period (in years) |  |  | 2 years 1 month 6 days |  |  |
Preferred stock authorized (in shares) | 300,000 |  | 300,000 |  | 300,000 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.01 |  | $ 0.01 |  | $ 0.01 |
Preferred stock, issued (in shares) | 0 |  | 0 |  | 0 |
Stock Repurchase Program |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Shares authorized for repurchase, value | $ |  |  |  |  |  | $ 100.0
Repurchase of common stock (in shares) |  |  | 0 |  |  |
Remaining authorized shares for share repurchase program | $ | $ 96.9 |  | $ 96.9 |  |  |
Preferred Stock |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Issuance of preferred stock (in shares) |  |  | 0 |  |  |
Restricted Stock Awards |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Granted (in shares) | 4,000 |  | 300,000 |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Granted (in shares) | 2,700,000 |  | 2,700,000 |  |  |
Cash Performance Units And Long-Term Cash Awards |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Unrecognized compensation expense | $ | $ 16.8 |  | $ 16.8 |  |  |
2027 Notes | Convertible Debt |  |  |  |  |  |
Stockholders Equity Note |  |  |  |  |  |
Aggregate shares receivable upon conversion (in shares) | equityInstrument |  |  | 287.2 |  |  |
Securities excluded from computation of earnings per share (in shares) |  |  | 190,100,000 |  |  |

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