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v3.25.0.1

Description of the business and summary of significant accounting policies: - Financial instruments (Details) - USD ($) $ in Millions | Dec. 31, 2024 | May 02, 2024 | Dec. 31, 2023 | May 07, 2021
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Description of the business: |  |  |  |
Interest rate (as a percent) | 5.00% |  |  |
Interest rate swap |  |  |  |
Description of the business: |  |  |  |
Face amount | $ 22.3 |  | $ 38.7 |
Level 2 | Interest rate swap |  |  |  |
Description of the business: |  |  |  |
long-term liability | 22.3 |  |  |
Senior unsecured 2027 Notes | Level 2 |  |  |  |
Description of the business: |  |  |  |
Senior notes | $ 450.0 |  |  |
Interest rate (as a percent) | 7.00% |  |  |
Senior notes, fair value | $ 450.0 |  |  |
Senior Unsecured Mirror Notes due 2027 | Level 2 |  |  |  |
Description of the business: |  |  |  |
Senior notes | $ 300.0 |  |  |
Interest rate (as a percent) | 7.00% |  |  |
Senior notes, fair value | $ 299.3 |  |  |
Senior secured 2026 Notes |  |  |  |
Description of the business: |  |  |  |
Interest rate (as a percent) | 3.50% |  |  |
Face amount | $ 500.0 |  |  | $ 500.0
Senior secured 2026 Notes | Level 2 |  |  |  |
Description of the business: |  |  |  |
Senior notes | $ 500.0 |  |  |
Interest rate (as a percent) | 3.50% |  |  |
Senior notes, fair value | $ 482.5 |  |  |
Secured IPv4 notes |  |  |  |
Description of the business: |  |  |  |
Interest rate (as a percent) | 7.924% |  |  |
Face amount | $ 206.0 | $ 206.0 |  |
Secured IPv4 Notes | Level 2 |  |  |  |
Description of the business: |  |  |  |
Senior notes | 206.0 |  |  |
Senior notes, fair value | $ 211.8 |  |  |

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