Supplemental Financial Information (Accounts Receivable, Net) (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Trade receivables | $ 543.1 | $ 489.7 | |
| Income Taxes Receivable | 6.5 | 49.8 | |
| Accounts Receivable, Allowance for Credit Loss, Current | (5.0) | (14.9) | |
| Accounts receivable, net | 538.1 | 474.8 | |
| Accounts Receivable, Allowance for Credit Loss, Recovery | 10.6 | $ 0.6 | |
| Gulf of America | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Accounts Receivable, Allowance for Credit Loss, Recovery | 11.7 | ||
| Trade | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Trade receivables | 502.4 | 424.1 | |
| Other Accounts Receivable | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Trade receivables | $ 34.2 | $ 15.8 | |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before 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/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|