Balance Sheet Items (Accounts Receivable) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Accounts receivable - trade | $ 142.6 | $ 121.2 |
| Allowance for credit losses | (1.2) | (1.3) |
| Accounts receivable - other | 7.8 | 10.7 |
| Total accounts receivable, net | $ 149.2 | $ 130.6 |
| X | ||||||||||
- Definition Accounts Receivable, Trade, Current No definition available.
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| X | ||||||||||
- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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