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v3.24.3

Debt and Credit Arrangements - 2024 Convertible Notes (Details) - Convertible notes due November 2024 - Convertible Debt $ / shares in Units, shares in Thousands | Oct. 31, 2017 $ / shares shares | Sep. 30, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) | Nov. 06, 2017 USD ($)
--- | --- | --- | --- | ---
Debt Instrument |  |  |  |
Debt instrument stated interest rate (percent) |  |  |  | 1.00%
Debt instrument face amount | $ |  | $ 258,700,000 | $ 258,700,000 | $ 258,800,000
Debt instrument effective interest rate (percent) |  |  |  | 1.40%
Share conversion rate | 0.0170285 |  |  |
Debt instrument, conversion price (usd per share) | $ 58.725 | $ 58.725 |  |
Debt instrument, conversion premium (percent) | 35.00% |  |  |
Share price (usd per share) | $ 43.50 | $ 124.14 |  |
Value of securities above principal amount of debt if converted | $ |  | $ 288,200,000 |  |
Number of shares underlying warrant (shares) | shares | 4,410 |  |  |
Percentage above previous sales price (percent) | 65.00% |  |  |
Maximum |  |  |  |
Debt Instrument |  |  |  |
Debt instrument, conversion price (usd per share) | $ 71.775 |  |  |

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