Discontinued Operations - Discontinued Operations Included on the Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Equity-based compensation | $ 16.1 | $ 16.6 | ||
| Discontinued Operations, Disposed of by Sale [Member] | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on disposal of discontinued operations | $ 1.4 | $ (0.6) | 7,009.3 | 869.2 |
| Depreciation and amortization | 14.6 | 86.4 | ||
| Additions to property, plant and equipment | 1.4 | 22.9 | ||
| Equity-based compensation | $ 5.0 | $ 5.5 | ||