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GOODWILL, INTANGIBLE ASSETS, NET, AND DIGITAL ASSETS HELD - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2025
May 31, 2024
USD ($)
Oct. 31, 2022
item
$ / shares
Jun. 30, 2025
USD ($)
item
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
item
Jun. 30, 2024
USD ($)
Intangible Assets              
Impairment of intangible assets       $ 17,100,000 $ 81,000,000.0 $ 17,100,000 $ 81,000,000.0
Revenues       1,173,500,000 974,000,000.0 2,368,500,000 1,931,200,000
Digital              
Intangible Assets              
Impairment of intangible assets         81,000,000.0   81,000,000.0
Customer relationships              
Intangible Assets              
Impairment of intangible assets       17,100,000   17,100,000  
Market data fees              
Intangible Assets              
Revenues       $ 82,400,000 $ 73,700,000 $ 160,200,000 $ 145,700,000
Data Provider Agreement with Pyth Data Association | Cboe Netherlands Services Company B.V              
Intangible Assets              
Number of U.S. equities exchanges publishing market data | item     1        
Total number of U.S. equities exchanges | item     4        
Number of token issued in a exchange or transaction | item     16,666,666     740,000  
Term of restricted tokens issued (in years)     4 years        
Percentage of tranche unlocked over a period for restricted tokens issued 25.00% 25.00%          
Historical value of tokens (in dollars per share) | $ / shares     $ 0.06        
Number of tokens sold | item       3,000,000   4,200,000  
Recognized gain on sale of tokens       $ 300,000   $ 600,000  
Data Provider Agreement with Pyth Data Association | Cboe Netherlands Services Company B.V | Market data fees              
Intangible Assets              
Revenues   $ 1,000,000.0