Debt - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - Senior notes - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
May 31, 2023 |
|---|---|---|---|
| Senior Convertible Notes | |||
| Unamortized debt issuance costs | $ (6.3) | $ (9.1) | |
| Carrying amount of senior convertible notes | 1,243.7 | 1,240.9 | |
| 2028 Notes | |||
| Senior Convertible Notes | |||
| Total principal amount | $ 1,250.0 | $ 1,250.0 | $ 1,250.0 |
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. No definition available.
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