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SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2024

SEGMENT REPORTING

Summarized financial data of reportable segments

Summarized financial data of reportable segments was as follows (in millions):

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North

Europe

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Corporate

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American

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and Asia

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Items and

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Options

Equities

Pacific

Futures

Global FX

Digital

Eliminations

Total

Three Months Ended March 31, 2024

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Revenues

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$

477.4

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$

349.6

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$

80.7

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$

31.4

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$

18.8

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$

(0.7)

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$

—

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$

957.2

Operating income (loss)

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216.8

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38.0

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10.2

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22.1

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6.6

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(10.2)

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(1.1)

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282.4

Three Months Ended March 31, 2023

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Revenues

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$

486.1

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$

379.8

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$

72.3

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$

32.1

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$

18.8

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$

(0.9)

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$

—

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$

988.2

Operating income (loss)

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201.0

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28.4

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11.3

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20.9

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4.7

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(11.4)

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(7.0)

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247.9

Schedule of revenues less cost of revenues by primary jurisdiction

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​	​	​	​	​	​	​	​	​
​	United States		​	Non-U.S.		​	Total
Revenues less cost of revenues:	​	​	​	​	​	​	​	​
Three months ended March 31, 2024	$	436.5	​	$	65.6	​	$	502.1
Three months ended March 31, 2023	​	415.9	​	​	55.5	​	​	471.4

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X

- Definition

Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.

+ References

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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-Publisher FASB
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