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Data Type:	xbrli:monetaryItemType
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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to working capital acquired in connection with a business combination for which the initial accounting was incomplete.

No definition available.

Name:	cboe_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapital
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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.

No definition available.

Name:	us-gaap_BusinessAcquisitionLineItems
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Amount of liability recognized arising from contingent consideration in a business combination.

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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

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

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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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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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