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Revenue (Tables)

3 Months Ended

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

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

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X

- 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

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