SEGMENT REPORTING - Long-lived assets by geographic areas (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Segment Reporting | |||||
| Long-lived assets | $ 238.3 | $ 238.3 | $ 244.1 | ||
| Revenues less cost of revenues | 731.6 | $ 587.3 | 1,460.5 | $ 1,152.5 | |
| United States | |||||
| Segment Reporting | |||||
| Long-lived assets | 182.5 | 182.5 | 184.5 | ||
| Revenues less cost of revenues | 635.8 | 508.1 | 1,269.6 | 1,000.2 | |
| United Kingdom | |||||
| Segment Reporting | |||||
| Long-lived assets | 33.9 | 33.9 | 30.0 | ||
| Other | |||||
| Segment Reporting | |||||
| Long-lived assets | 21.9 | 21.9 | $ 29.6 | ||
| Revenues less cost of revenues | $ 95.8 | $ 79.2 | $ 190.9 | $ 152.3 | |
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of long-lived asset, excluding financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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