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ACQUISITIONS - Intangible assets acquired (Details) - USD ($) $ in Millions	Jun. 01, 2022	May 02, 2022	Jul. 01, 2021
Cboe Asia Pacific
Acquisitions
Total identifiable intangible assets			$ 73.8
ErisX
Acquisitions
Total identifiable intangible assets		$ 95.0
NEO
Acquisitions
Total identifiable intangible assets	$ 130.1
Customer relationships | Cboe Asia Pacific
Acquisitions
Finite-lived intangible assets acquired			$ 60.1
Useful Life (Years)			30 years
Customer relationships | NEO
Acquisitions
Finite-lived intangible assets acquired	$ 92.9
Useful Life (Years)	15 years
Technology | Cboe Asia Pacific
Acquisitions
Finite-lived intangible assets acquired			$ 7.5
Useful Life (Years)			2 years
Technology | ErisX
Acquisitions
Finite-lived intangible assets acquired		$ 70.0
Useful Life (Years)		10 years
Technology | NEO
Acquisitions
Finite-lived intangible assets acquired	$ 11.6
Useful Life (Years)	7 years
Trademarks and tradenames | NEO
Acquisitions
Finite-lived intangible assets acquired	$ 2.3
Useful Life (Years)	2 years
Trading registrations and licenses | Cboe Asia Pacific
Acquisitions
Indefinite-lived intangible assets acquired			$ 6.2
Trading registrations and licenses | ErisX
Acquisitions
Indefinite-lived intangible assets acquired		$ 25.0
Trading registrations and licenses | NEO
Acquisitions
Indefinite-lived intangible assets acquired	$ 23.3

X

- Definition

Intangible Assets Acquired

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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