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ACQUISITIONS (Details) - USD ($) $ in Millions		3 Months Ended
	May 02, 2022	Mar. 31, 2023	Mar. 31, 2022
Acquisitions
Acquisition-related costs		$ 6.4	$ 2.0
Cboe Digital
Acquisitions
Goodwill	$ 460.9
Intangible assets	95.0
Working capital	8.4
Gain on change in fair value	$ 7.5

X

- Definition

Amount of working capital assumed at the acquisition date.

+ References

No definition available.

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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.

+ References

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Topic 805
-SubTopic 10
-Section 25
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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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-Publisher FASB
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