Stockholders' Equity - AOCL (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||
| Balance at beginning of period | $ 3,147,400,000 | $ 2,741,700,000 | $ 3,108,000,000 | $ 559,000,000.0 |
| Foreign currency adjustments, net of tax | (4,400,000) | 68,800,000 | (18,600,000) | 98,500,000 |
| Balance at end of period | 3,229,400,000 | 2,841,100,000 | 3,229,400,000 | 2,841,100,000 |
| Foreign Currency Translation | ||||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||
| Balance at beginning of period | (113,600,000) | (157,500,000) | (99,400,000) | (187,200,000) |
| Balance at end of period | (118,000,000.0) | (88,700,000) | (118,000,000.0) | (88,700,000) |
| Tax expense (benefits) | 0 | 0 | ||
| Net amount reclassified to earnings | 0 | 0 | ||
| Pensions | ||||
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | ||||
| Balance at beginning of period | 1,000,000.0 | 1,000,000.0 | 1,000,000.0 | 400,000 |
| Net change from period revaluations | 500,000 | 0 | 500,000 | 600,000 |
| Balance at end of period | $ 1,500,000 | $ 1,000,000.0 | 1,500,000 | 1,000,000.0 |
| Tax expense (benefits) | $ 0 | $ 0 | ||
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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