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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table presents revenue disaggregated by type:
|  | Three months ended March 31, |  |
|  | 2025 |  | 2024 |  |  |  |
Transactional seller revenue |  | $ | 216.8 |  |  | $ | 238.6 |  |  |  |  |
Transactional buyer revenue |  | 556.7 |  |  | 525.4 |  |  |  |  |
Marketplace services revenue |  | 79.0 |  |  | 85.1 |  |  |  |  |
Total service revenue |  | 852.5 |  |  | 849.1 |  |  |  |  |
Inventory sales revenue |  | 256.1 |  |  | 215.6 |  |  |  |  |
Total revenue |  | $ | 1,108.6 |  |  | $ | 1,064.7 |  |  |  |  |
Geographic Information of Revenue | The following table presents revenue disaggregated by geographic area, based on the location of the underlying auction activity or rendering of services:
|  | Three months ended March 31, |  |
|  | 2025 |  | 2024 |  |  |  |
United States |  | $ | 854.7 |  |  | $ | 791.2 |  |  |  |  |
Canada |  | 124.9 |  |  | 142.4 |  |  |  |  |
Europe |  | 90.6 |  |  | 87.1 |  |  |  |  |
Australia |  | 17.1 |  |  | 27.6 |  |  |  |  |
Other |  | 21.3 |  |  | 16.4 |  |  |  |  |
Total revenue |  | $ | 1,108.6 |  |  | $ | 1,064.7 |  |  |  |  |

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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