ACQUISITIONS AND STRATEGIC REALIGNMENT - Narrative (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Apr. 22, 2026 |
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| Business Combination [Line Items] | |||||
| Acquisition-related costs | $ 0 | $ 0 | $ 0 | $ 200,000 | |
| Restructuring and related cost, expected cost remaining | 13,000,000.0 | 13,000,000.0 | |||
| Disposal Group, Held-for-Sale, Not Discontinued Operations | Cboe Australia and Cboe Canada | |||||
| Business Combination [Line Items] | |||||
| Purchase price of the property | $ 300,000,000 | ||||
| Acquisition Costs | |||||
| Business Combination [Line Items] | |||||
| Acquisition-related costs | $ 0 | $ 42,800 | $ 0 | $ 200,000 | |
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expected cost remaining for the specified restructuring cost. No definition available.
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