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Debt - Credit Agreement (Details) $ in Millions | Jun. 17, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 04, 2025 USD ($) | Dec. 31, 2024
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7.375% senior priority guaranteed notes due May 2027 |  |  |  |
Debt |  |  |  |
Interest rate on senior notes (as a percent) |  | 7.375% |  | 7.375%
7.50% senior guaranteed notes due January 2028 |  |  |  |
Debt |  |  |  |
Interest rate on senior notes (as a percent) |  | 7.50% |  | 7.50%
1.75% senior exchangeable notes due June 2029 |  |  |  |
Debt |  |  |  |
Interest rate on senior notes (as a percent) |  | 1.75% |  | 1.75%
Credit Agreement |  |  |  |
Debt |  |  |  |
Additional borrowing capacity under terms of accordion feature | $ 200.0 |  |  |
Weighted average interest rate (as a percent) |  | 7.21% |  |
Credit Agreement | Debt covenant |  |  |  |
Debt |  |  |  |
Amount of equity authorized for repurchase |  |  | $ 100.0 |
Interest coverage ratio | 2.75 |  |  |
Threshold amount beyond which the debt instrument covenant restricts the company's ability to incur liens | $ 150.0 |  |  |
Threshold amount beyond which the debt instrument covenant restricts the company's subsidiaries to incur debt | $ 100.0 |  |  |
Independent appraisal interval | 6 months |  |  |
Revolving loans |  |  |  |
Debt |  |  |  |
Maximum borrowing capacity | $ 350.0 |  |  |
Outstanding balance |  | $ 0.0 |  |
Letters of credit |  |  |  |
Debt |  |  |  |
Maximum borrowing capacity | $ 125.0 |  |  |
Outstanding balance |  | $ 75.2 |  |
Letters of credit | Debt covenant |  |  |  |
Debt |  |  |  |
Percentage of property, plant and equipment to be owned by the revolver guarantor and its subsidiaries | 90.00% |  |  |

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- Definition Period of time between issuance of independent appraisals under the terms of a debt covenant, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Threshold amount beyond which the debt instrument covenant restricts the company's subsidiaries to incur debt. + References No definition available. + Details
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- Definition Threshold amount beyond which the debt instrument covenant restricts the company's ability to incur liens. + References No definition available. + Details
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- Definition The interest coverage ratio (EBITDA/interest expense), under terms of a debt covenant. + References No definition available. + Details
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- Definition Threshold percentage of property, plant and equipment to be owned by the revolver guarantor and its subsidiaries. + References No definition available. + Details
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- Definition The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount. + References No definition available. + Details
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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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