Amount of working capital assumed at the acquisition date.

No definition available.

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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.

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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.

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

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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.

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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.

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ACQUISITIONS (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
ACQUISITIONS (Details) - USD ($) $ in Millions	May 02, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Acquisitions
Acquisition-related costs		$ 0.8	$ 1.6	$ 7.9	$ 17.9
Cboe Digital
Acquisitions
Goodwill	$ 460.9
Intangible assets	95.0
Working capital	8.4
Gain on change in fair value	$ 7.5