Debt and Credit Facility - Summary of Senior Notes (Details) - Senior Notes - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Debt Instrument [Line Items] | ||
| Total debt | $ 1,050.0 | $ 1,050.0 |
| Unamortized issuance costs | (11.7) | (12.7) |
| Total carrying amount | $ 1,038.3 | 1,037.3 |
| 4.50% Senior Notes | ||
| Debt Instrument [Line Items] | ||
| Issuance Date | May 31, 2021 | |
| Debt Instrument, Maturity Date | Jun. 30, 2031 | |
| Effective interest rate (percent) | 4.70% | |
| Total debt | $ 550.0 | 550.0 |
| 5.875% Senior Notes | ||
| Debt Instrument [Line Items] | ||
| Issuance Date | Nov. 30, 2025 | |
| Debt Instrument, Maturity Date | Mar. 31, 2034 | |
| Effective interest rate (percent) | 6.10% | |
| Total debt | $ 500.0 | $ 500.0 |
| X | ||||||||||
- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Date the debt instrument was issued, in YYYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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 Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|