Revenues - Contract Liability Balance Activity (Details) - USD ($) $ in Millions |
9 Months Ended | |||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Contract With Customer, Liability [Roll Forward] | ||||
| Beginning Balance | $ 17.9 | $ 21.4 | ||
| Revenues recognized that were included in the contract liability balances at the beginning of the period | (1.3) | (3.5) | ||
| Increases due to cash received, excluding amounts recognized as revenues during the period | 0.5 | 1.9 | ||
| Ending Balance | 17.1 | 19.8 | ||
| Contract with customer, liability, current | 1.6 | 3.3 | $ 1.8 | $ 3.5 |
| Contract with customer, liability, noncurrent | $ 15.5 | $ 16.5 | $ 16.1 | $ 17.9 |
| X | ||||||||||
- Definition Contract With Customer, Liability No definition available.
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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