$CBOE
Cboe Global Markets, Inc. Stock $cboe

$cboe Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000155837021001286 Filed on February 19, 2021

Income Statement

Concept	2020 Q4	2020	2019 Q4
Revenue	$844.2M	$3.427B	$598.6M
YoY Change	41.03%	37.3%	-19.94%
Cost Of Revenue	$537.1M	$2.173B	$318.3M
YoY Change	68.74%	59.86%	-22.99%
Gross Profit	$307.1M	$1.254B	$280.3M
YoY Change	9.56%	10.33%	-16.18%
Gross Profit Margin	36.38%	36.6%	46.83%
Selling, General & Admin	$97.40M	$364.2M	$83.10M
YoY Change	17.21%	8.26%	-13.98%
% of Gross Profit	31.72%	29.04%	29.65%
Research & Development		$54.50M
YoY Change		17.97%
% of Gross Profit		4.35%
Depreciation & Amortization	$40.50M	$158.5M	$42.80M
YoY Change	-5.37%	-10.25%	-12.83%
% of Gross Profit	13.19%	12.64%	15.27%
Operating Expenses	$143.5M	$592.1M	$152.4M
YoY Change	-5.84%	-1.27%	0.79%
Operating Profit	$134.8M	$662.2M	$119.2M
YoY Change	13.09%	23.27%	-32.46%
Interest Expense	-$13.50M	-$37.60M	-$7.800M
YoY Change	73.08%	4.74%	-19.59%
% of Operating Profit	-10.01%	-5.68%	-6.54%
Other Income/Expense, Net	$1.600M	$35.80M	$2.800M
YoY Change	-42.86%	35700.0%	-68.54%
Pretax Income	$122.9M	$660.4M	$114.2M
YoY Change	7.62%	31.71%	-35.0%
Income Tax	$35.60M	$192.2M	$27.90M
% Of Pretax Income	28.97%	29.1%	24.43%
Net Earnings	$87.30M	$468.2M	$86.30M
YoY Change	1.16%	24.89%	-37.64%
Net Earnings / Revenue	10.34%	13.66%	14.42%
Basic Earnings Per Share	$0.81	$4.28	$0.78
Diluted Earnings Per Share	$0.81	$4.27	$0.77
COMMON SHARES
Basic Shares Outstanding	108.0M	109.1M	110.9M
Diluted Shares Outstanding		109.3M

Balance Sheet

Concept	2020 Q4	2020	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$337.8M	$337.8M	$300.3M
YoY Change	12.49%	12.49%	-3.38%
Cash & Equivalents	$245.4M	$245.4M	$229.3M
Short-Term Investments	$92.40M	$92.40M	$71.00M
Other Short-Term Assets	$26.50M	$838.6M	$15.80M
YoY Change	67.72%	5207.59%	3.95%
Inventory
Prepaid Expenses
Receivables	$337.3M	$337.3M	$234.7M
Other Receivables	$53.10M	$53.10M	$56.80M
Total Short-Term Assets	$1.567B	$1.567B	$607.6M
YoY Change	157.87%	157.87%	-11.13%
LONG-TERM ASSETS
Property, Plant & Equipment	$82.60M	$193.6M	$47.00M
YoY Change	75.74%	92.83%	-34.45%
Goodwill	$2.895B		$2.682B
YoY Change	7.94%		-0.35%
Intangibles	$1.729B		$1.590B
YoY Change	8.75%		-7.57%
Long-Term Investments	$2.000M	$42.70M	$22.90M
YoY Change	-91.27%	-30.23%	5.53%
Other Assets	$76.30M	$51.80M	$51.60M
YoY Change	47.87%	20.47%	-17.97%
Total Long-Term Assets	$4.950B	$4.950B	$4.506B
YoY Change	9.84%	9.84%	-2.82%
TOTAL ASSETS
Total Short-Term Assets	$1.567B	$1.567B	$607.6M
Total Long-Term Assets	$4.950B	$4.950B	$4.506B
Total Assets	$6.517B	$6.517B	$5.114B
YoY Change	27.43%	27.43%	-3.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$28.50M	$28.50M	$21.00M
YoY Change	35.71%	35.71%	64.06%
Accrued Expenses	$122.3M	$122.3M	$138.3M
YoY Change	-11.57%	-11.57%	-21.11%
Deferred Revenue	$10.20M		$4.500M
YoY Change	126.67%		-47.06%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$68.70M	$68.70M	$0.00
YoY Change			-100.0%
Total Short-Term Liabilities	$1.313B	$1.313B	$281.6M
YoY Change	366.37%	366.37%	-52.74%
LONG-TERM LIABILITIES
Long-Term Debt	$1.135B	$1.135B	$867.6M
YoY Change	30.84%	30.84%	-5.24%
Other Long-Term Liabilities	$27.20M	$341.5M	$26.80M
YoY Change	1.49%	63.09%	262.16%
Total Long-Term Liabilities	$1.162B	$1.477B	$894.4M
YoY Change	29.96%	37.11%	-3.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.313B	$1.313B	$281.6M
Total Long-Term Liabilities	$1.162B	$1.477B	$894.4M
Total Liabilities	$3.168B	$3.168B	$1.758B
YoY Change	80.15%	80.15%	-15.08%
SHAREHOLDERS EQUITY
Retained Earnings	$1.810B		$1.513B
YoY Change	19.65%		17.42%
Common Stock	$1.200M		$1.200M
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares	$18.70M		$15.04M
Shareholders Equity	$3.349B	$3.349B	$3.356B
YoY Change
Total Liabilities & Shareholders Equity	$6.517B	$6.517B	$5.114B
YoY Change	27.43%	27.43%	-3.89%

Cashflow Statement

Concept	2020 Q4	2020	2019 Q4
OPERATING ACTIVITIES
Net Income	$87.30M	$468.2M	$86.30M
YoY Change	1.16%	24.89%	-37.64%
Depreciation, Depletion And Amortization	$40.50M	$158.5M	$42.80M
YoY Change	-5.37%	-10.25%	-12.83%
Cash From Operating Activities	$269.4M	$1.459B	$237.7M
YoY Change	13.34%	130.53%	4.9%
INVESTING ACTIVITIES
Capital Expenditures	-$10.20M	$47.40M	-$8.200M
YoY Change	24.39%	35.04%	-3.53%
Acquisitions		$351.5M
YoY Change
Other Investing Activities	-$315.7M	-$383.1M	-$39.00M
YoY Change	709.49%	-2095.31%	11.43%
Cash From Investing Activities	-$325.9M	-$430.5M	-$47.20M
YoY Change	590.47%	2607.55%	8.51%
FINANCING ACTIVITIES
Cash Dividend Paid		$170.6M
YoY Change		13.73%
Common Stock Issuance & Retirement, Net		$349.1M
YoY Change		122.5%
Debt Paid & Issued, Net		$155.0M
YoY Change		-55.71%
Cash From Financing Activities	130.9M	-201.7M	-113.9M
YoY Change	-214.93%	-69.57%	189.82%
NET CHANGE
Cash From Operating Activities	269.4M	1.459B	237.7M
Cash From Investing Activities	-325.9M	-430.5M	-47.20M
Cash From Financing Activities	130.9M	-201.7M	-113.9M
Net Change In Cash	74.40M	828.2M	76.60M
YoY Change	-2.87%	-1908.3%	-46.73%
FREE CASH FLOW
Cash From Operating Activities	$269.4M	$1.459B	$237.7M
Capital Expenditures	-$10.20M	$47.40M	-$8.200M
Free Cash Flow	$279.6M	$1.411B	$245.9M
YoY Change	13.7%	136.14%	4.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	cboe	Goodwill Impairment Loss From Annual Impairment Test GoodwillImpairmentLossFromAnnualImpairmentTest	0
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001374310
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Trading Symbol TradingSymbol	CBOE
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssetsNoncurrent
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssetsNoncurrent
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OperatingLeaseLiabilityNoncurrent
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OperatingLeaseLiabilityNoncurrent
CY2019Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:OperatingLeaseLiabilityNoncurrent
CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:OperatingLeaseLiabilityNoncurrent
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.56
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.34
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-34774
CY2020	dei	Entity Registrant Name EntityRegistrantName	Cboe Global Markets, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-5446972
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	400 South LaSalle Street
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Chicago
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60605
CY2020	dei	City Area Code CityAreaCode	312
CY2020	dei	Local Phone Number LocalPhoneNumber	786-5600
CY2020	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2020	dei	Trading Symbol TradingSymbol	CBOE
CY2020	dei	Security Exchange Name SecurityExchangeName	CboeBZX
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	10100000000
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	107210079
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	245400000
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	229300000
CY2020Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	92400000
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	71000000.0
CY2020Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	600000
CY2019Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	700000
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	337300000
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	234700000
CY2020Q4	cboe	Margin Deposits And Clearing Funds Assets MarginDepositsAndClearingFundsAssets	812100000
CY2020Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	53100000
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	56800000
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	26500000
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	15800000
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1566800000
CY2019Q4	us-gaap	Assets Current AssetsCurrent	607600000
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	42700000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	61200000
CY2020Q4	cboe	Property Plant And Equipment Excluding Land Net PropertyPlantAndEquipmentExcludingLandNet	82600000
CY2019Q4	cboe	Property Plant And Equipment Excluding Land Net PropertyPlantAndEquipmentExcludingLandNet	47000000.0
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	27200000
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	26800000
CY2020Q4	us-gaap	Liabilities Liabilities	3167600000
CY2019Q4	us-gaap	Liabilities Liabilities	1758300000
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2020Q4	cboe	Property Held For Sale PropertyHeldForSale	13000000.0
CY2019Q4	cboe	Property Held For Sale PropertyHeldForSale	21100000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	111000000.0
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	53400000
CY2020Q4	us-gaap	Goodwill Goodwill	2895100000
CY2019Q4	us-gaap	Goodwill Goodwill	2682100000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1729000000.0
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1589900000
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	76300000
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	51600000
CY2020Q4	us-gaap	Assets Assets	6516500000
CY2019Q4	us-gaap	Assets Assets	5113900000
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	250000000.0
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	171900000
CY2020Q4	cboe	Regulatory Fees Payable Current RegulatoryFeesPayableCurrent	152900000
CY2019Q4	cboe	Regulatory Fees Payable Current RegulatoryFeesPayableCurrent	99000000.0
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	10200000
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4500000
CY2020Q4	cboe	Margin Deposits And Clearing Funds Liabilities MarginDepositsAndClearingFundsLiabilities	812100000
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4200000
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4000000.0
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	68700000
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	15200000
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	2200000
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1313300000
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	281600000
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1135200000
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	867600000
CY2020Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	164700000
CY2019Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	135900000
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	377600000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	399700000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	132100000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	46700000
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	17500000
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	325000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	325000000
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	125998967
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	107299933
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	125701889
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	110656892
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	1200000
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	1200000
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18699034
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15044997
CY2020Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	1250400000
CY2019Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	887100000
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2713300000
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2691300000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1809800000
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1512600000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	75000000.0
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	37600000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	3348900000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	3355600000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6516500000
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5113900000
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3427100000
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2496100000
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2768800000
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	2172800000
CY2019	us-gaap	Cost Of Revenue CostOfRevenue	1359200000
CY2018	us-gaap	Cost Of Revenue CostOfRevenue	1551900000
CY2020	us-gaap	Gross Profit GrossProfit	1254300000
CY2019	us-gaap	Gross Profit GrossProfit	1136900000
CY2018	us-gaap	Gross Profit GrossProfit	1216900000
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	224900000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	199000000.0
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	228800000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	158500000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	176600000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	204000000.0
CY2020	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	54500000
CY2019	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	46200000
CY2018	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	47900000
CY2020	us-gaap	Professional Fees ProfessionalFees	60600000
CY2019	us-gaap	Professional Fees ProfessionalFees	68300000
CY2018	us-gaap	Professional Fees ProfessionalFees	68300000
CY2020	cboe	Marketing Advertising And Travel Expense MarketingAdvertisingAndTravelExpense	6600000
CY2019	cboe	Marketing Advertising And Travel Expense MarketingAdvertisingAndTravelExpense	11900000
CY2018	cboe	Marketing Advertising And Travel Expense MarketingAdvertisingAndTravelExpense	13000000.0
CY2020	us-gaap	Occupancy Net OccupancyNet	17600000
CY2019	us-gaap	Occupancy Net OccupancyNet	11000000.0
CY2018	us-gaap	Occupancy Net OccupancyNet	11500000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.35
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	45200000
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	48500000
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	30000000.0
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	24200000
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	38200000
CY2018	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14000000.0
CY2020	us-gaap	Operating Expenses OperatingExpenses	592100000
CY2019	us-gaap	Operating Expenses OperatingExpenses	599700000
CY2018	us-gaap	Operating Expenses OperatingExpenses	617500000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	662200000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	537200000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	599400000
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-37600000
CY2019	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-35900000
CY2018	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-38200000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	35800000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	100000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	10000000.0
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	660400000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	501400000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	571200000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	192200000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130600000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	146000000.0
CY2020	us-gaap	Profit Loss ProfitLoss	468200000
CY2019	us-gaap	Profit Loss ProfitLoss	370800000
CY2018	us-gaap	Profit Loss ProfitLoss	425200000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-4100000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1300000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	468200000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	374900000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	426500000
CY2019	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	500000
CY2018	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	1300000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1200000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1700000
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3100000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	467000000.0
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	372700000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	422100000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.28
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.27
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.34
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.76
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109100000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111400000
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.56
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111800000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109300000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111800000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112200000
CY2020	us-gaap	Profit Loss ProfitLoss	468200000
CY2019	us-gaap	Profit Loss ProfitLoss	370800000
CY2018	us-gaap	Profit Loss ProfitLoss	425200000
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	36500000
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	26100000
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-39200000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-300000
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1200000
CY2020	cboe	Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	505600000
CY2019	cboe	Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	396900000
CY2018	cboe	Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	386000000.0
CY2019	cboe	Comprehensive Income Loss Before Tax Attributable To Noncontrolling Interest ComprehensiveIncomeLossBeforeTaxAttributableToNoncontrollingInterest	-4100000
CY2018	cboe	Comprehensive Income Loss Before Tax Attributable To Noncontrolling Interest ComprehensiveIncomeLossBeforeTaxAttributableToNoncontrollingInterest	-1300000
CY2020	cboe	Comprehensive Income Loss Before Tax Attributable To Parent ComprehensiveIncomeLossBeforeTaxAttributableToParent	505600000
CY2019	cboe	Comprehensive Income Loss Before Tax Attributable To Parent ComprehensiveIncomeLossBeforeTaxAttributableToParent	401000000.0
CY2018	cboe	Comprehensive Income Loss Before Tax Attributable To Parent ComprehensiveIncomeLossBeforeTaxAttributableToParent	387300000
CY2019	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	500000
CY2018	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	1300000
CY2020	cboe	Comprehensive Undistributed Earnings Loss Allocated To Participating Securities Basic ComprehensiveUndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1200000
CY2019	cboe	Comprehensive Undistributed Earnings Loss Allocated To Participating Securities Basic ComprehensiveUndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1700000
CY2018	cboe	Comprehensive Undistributed Earnings Loss Allocated To Participating Securities Basic ComprehensiveUndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3100000
CY2020	cboe	Comprehensive Income Loss Available To Common Stockholders After Tax ComprehensiveIncomeLossAvailableToCommonStockholdersAfterTax	504400000
CY2019	cboe	Comprehensive Income Loss Available To Common Stockholders After Tax ComprehensiveIncomeLossAvailableToCommonStockholdersAfterTax	398800000
CY2018	cboe	Comprehensive Income Loss Available To Common Stockholders After Tax ComprehensiveIncomeLossAvailableToCommonStockholdersAfterTax	382900000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	3110600000
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.16
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	130300000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	35100000
CY2018	cboe	Treasury Stock Value Acquired From Employee Stock Plans Cost Method TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod	19500000
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	140900000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	426500000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-39200000
CY2018	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-1300000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	3241000000.0
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.34
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	150000000.0
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21800000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	9300000
CY2019	cboe	Treasury Stock Value Acquired From Employee Stock Plans Cost Method TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod	11000000.0
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	156900000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	900000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	374900000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	26100000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	3355600000
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	170600000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21700000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	200000
CY2020	cboe	Treasury Stock Value Acquired From Employee Stock Plans Cost Method TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod	14200000
CY2019	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-500000
CY2019	us-gaap	Increase Decrease In Prepaid Expenses Other IncreaseDecreaseInPrepaidExpensesOther	16900000
CY2018	us-gaap	Increase Decrease In Prepaid Expenses Other IncreaseDecreaseInPrepaidExpensesOther	15800000
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-23400000
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	59400000
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-25700000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	349100000
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	100000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	468200000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	37400000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	3348900000
CY2020	us-gaap	Profit Loss ProfitLoss	468200000
CY2019	us-gaap	Profit Loss ProfitLoss	370800000
CY2018	us-gaap	Profit Loss ProfitLoss	425200000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	158500000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	176600000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	204000000.0
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2000000.0
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2200000
CY2018	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2500000
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2600000
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	3900000
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	400000
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	1300000
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	1400000
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	100000
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1000000.0
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-30900000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-37200000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-47700000
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6700000
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	23400000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	21700000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	21800000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	35100000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-4400000
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1000000.0
CY2020	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	8100000
CY2019	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	6100000
CY2019	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	-2000000.0
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	10500000
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1100000
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2200000
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1100000
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	15100000
CY2020	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	32600000
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	90000000.0
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-50300000
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	70300000
CY2020	cboe	Increase Decrease In Restricted Cash Clearing Fund IncreaseDecreaseInRestrictedCashClearingFund	-812100000
CY2020	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-5400000
CY2019	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-13500000
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	53200000
CY2020	us-gaap	Increase Decrease In Prepaid Expenses Other IncreaseDecreaseInPrepaidExpensesOther	5100000
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	178700000
CY2019	cboe	Proceeds By Return Of Capital From Investments ProceedsByReturnOfCapitalFromInvestments	30000000.0
CY2020	cboe	Payments To Purchase Investments PaymentsToPurchaseInvestments	12100000
CY2018	cboe	Payments To Purchase Investments PaymentsToPurchaseInvestments	1800000
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	500000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	47400000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	35100000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	36300000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-430500000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-15900000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-25600000
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	493700000
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	46800000
CY2020	cboe	Increase Decrease In Regulatory Fees Payable IncreaseDecreaseInRegulatoryFeesPayable	53900000
CY2019	cboe	Increase Decrease In Regulatory Fees Payable IncreaseDecreaseInRegulatoryFeesPayable	17900000
CY2018	cboe	Increase Decrease In Regulatory Fees Payable IncreaseDecreaseInRegulatoryFeesPayable	-24500000
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	4500000
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4100000
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-7000000.0
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1100000
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	100000
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	400000
CY2020	cboe	Increase Decrease Liability For Uncertainty In Income Taxes IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes	28800000
CY2019	cboe	Increase Decrease Liability For Uncertainty In Income Taxes IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes	21000000.0
CY2018	cboe	Increase Decrease Liability For Uncertainty In Income Taxes IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes	36100000
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1100000
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4000000.0
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	700000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1458800000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	632800000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	534700000
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	351500000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	222500000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	108800000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	166200000
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	202500000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	98000000.0
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	300000000.0
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	155000000.0
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	350000000.0
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	325000000.0
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	70000000.0
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	39000000.0
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	70000000.0
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	39000000.0
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4500000
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	170600000
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	150000000.0
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	191500000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	134900000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	275100000
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	812100000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1057500000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	229300000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	275100000
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	130300000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	14200000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	11000000.0
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	20900000
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	200000
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	9300000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2100000
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	2200000
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	4300000
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	56600000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	349100000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	156900000
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	140900000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-201700000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-662900000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-371600000
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1600000
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	200000
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-5900000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	828200000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-45800000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	131600000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	229300000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	275100000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	143500000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1057500000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	229300000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	275100000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	245400000
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	229300000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	213400000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	29200000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	32700000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	38700000
CY2019	us-gaap	Notes Issued1 NotesIssued1	3700000
CY2019	cboe	Investment Recognized In Connection With Deconsolidation Of Former Subsidiary InvestmentRecognizedInConnectionWithDeconsolidationOfFormerSubsidiary	2900000
CY2019	cboe	Net Assets Of Former Subsidiary Deconsolidated NetAssetsOfFormerSubsidiaryDeconsolidated	14500000
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	11000000.0
CY2020	cboe	Noncash Or Part Noncash Acquisition Income Taxes Receivable Acquired NoncashOrPartNoncashAcquisitionIncomeTaxesReceivableAcquired	1700000
CY2020	cboe	Noncash Or Part Noncash Acquisition Other Current Assets Acquired NoncashOrPartNoncashAcquisitionOtherCurrentAssetsAcquired	5900000
CY2020	cboe	Noncash Or Part Noncash Acquisition Goodwill Acquired NoncashOrPartNoncashAcquisitionGoodwillAcquired	201200000
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	247700000
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	4400000
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	900000
CY2020	cboe	Noncash Or Part Noncash Acquisition Accounts Payables And Accrued Liabilities Assumed NoncashOrPartNoncashAcquisitionAccountsPayablesAndAccruedLiabilitiesAssumed	16700000
CY2020	cboe	Noncash Or Part Noncash Acquisition Income Taxes Payable Assumed NoncashOrPartNoncashAcquisitionIncomeTaxesPayableAssumed	1300000
CY2020	cboe	Noncash Or Part Noncash Acquisition Deferred Revenue NoncashOrPartNoncashAcquisitionDeferredRevenue	1000000.0
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	32700000
CY2020	cboe	Noncash Or Part Noncash Acquisition Deferred Income Taxes Acquired NoncashOrPartNoncashAcquisitionDeferredIncomeTaxesAcquired	-6700000
CY2020	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-family:'Times New Roman','Times','serif';font-size:9pt;margin:0pt 0pt 12pt 0pt;"><b style="font-family:'Arial','Helvetica','sans-serif';font-weight:bold;">1. NATURE OF OPERATIONS</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:18pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">Cboe Global Markets, Inc. (“Cboe” or “the Company”) is one of the world’s largest exchange holding companies, offering cutting-edge trading and investment solutions to investors around the world. The Company is committed to defining markets to benefit its participants and drive the global marketplace forward through product innovation, leading edge technology and seamless trading solutions.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:10pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">Cboe offers trading across a diverse range of products in multiple asset classes and geographies, including options, futures, U.S., Canadian and European equities, exchange-traded products (“ETPs”), global foreign exchange (“FX”) and volatility products based on the VIX Index, recognized as the world’s premier gauge of U.S. equity market volatility. </span></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:10pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';white-space:pre-wrap;">Cboe’s subsidiaries include the largest options exchange and the third largest stock exchange operator in the U.S. In addition, the Company operates one of the largest stock exchanges by value traded in Europe, and owns EuroCCP, a leading pan-European equities clearinghouse, BIDS Trading, a leading block-trading ATS by volume in the U.S., and MATCHNow, a leading equities ATS in Canada. Cboe also is a leading market globally for ETP listings and trading. </span></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:18pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">The Company is headquartered in Chicago with offices in Kansas City, New York, London, San Francisco, Sarasota Springs, Toronto, Belfast, Amsterdam, Calgary, Singapore, Hong Kong, and Ecuador.</span><span style="font-family:'Arial','Helvetica','sans-serif';"> </span></p>
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:12pt;margin-top:0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';font-size:9pt;font-style:italic;font-weight:bold;">(c)</span></p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin-bottom:12pt;margin-top:0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';font-size:9pt;font-style:italic;font-weight:bold;">Use of Estimates</span></p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:18pt;margin:0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as well as disclosure of the amounts </span></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the valuation of goodwill, indefinite-lived intangible assets, and unrecognized tax benefits.</span></p>
CY2020	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman','Times','serif';font-size:9pt;margin:0pt 0pt 12pt 0pt;"><b style="font-family:'Arial','Helvetica','sans-serif';font-weight:bold;">Concentrations of Revenue and Liquidity Payments</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:18pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">For the years ended December 31, 2020, 2019, and 2018, </span><span style="font-family:'Arial','Helvetica','sans-serif';">no</span><span style="font-family:'Arial','Helvetica','sans-serif';"> customer accounted for more than </span><span style="font-family:'Arial','Helvetica','sans-serif';">15%</span><span style="font-family:'Arial','Helvetica','sans-serif';"> of the Company’s total revenue.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-indent:18pt;margin:0pt 0pt 12pt 0pt;"><span style="font-family:'Arial','Helvetica','sans-serif';">No customer is contractually or otherwise obligated to continue to use the Company’s services. The loss of, or a significant reduction of, participation by these customers may have a material adverse effect on the Company’s business, financial position, results of operations and cash flows. The </span><span style="font-family:'Arial','Helvetica','sans-serif';">two</span><span style="font-family:'Arial','Helvetica','sans-serif';"> largest clearing members clear the majority of the market-maker sides of transactions at all of the Company’s U.S. options exchanges. If either of these clearing members were to withdraw from the business of market-maker clearing and market-makers were unable to transfer to another clearing member, this could create significant disruption to the U.S. options markets, including Cboe’s.</span></p>
CY2020	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2020	cboe	Lessee Operating Lease Option To Terminate Period LesseeOperatingLeaseOptionToTerminatePeriod	P1Y
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3427100000
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3427100000
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2496100000
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2496100000
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2768800000
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2768800000
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	4500000
CY2020	cboe	Contract With Customer Liability Additions ContractWithCustomerLiabilityAdditions	42400000
CY2020	cboe	Revenue Recognized From Current Period Increase In Contract Liability RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability	36700000
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	10200000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	47000000.0
CY2020	us-gaap	Depreciation Depreciation	26800000
CY2019	us-gaap	Depreciation Depreciation	24500000
CY2018	us-gaap	Depreciation Depreciation	25100000
CY2020Q4	cboe	Property Held For Sale PropertyHeldForSale	13000000.0
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2000000.0
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	22900000
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40700000
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	38300000
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	42700000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	61200000
CY2020Q4	cboe	Number Of Central Counterparties NumberOfCentralCounterparties	3
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40700000
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	38300000
CY2020Q4	cboe	Marketable Securitiesand Cashand Cash Equivalents Amortized Cost Basis MarketableSecuritiesandCashandCashEquivalentsAmortizedCostBasis	92400000
CY2020Q4	cboe	Marketable Securitiesand Cashand Cash Equivalents MarketableSecuritiesandCashandCashEquivalents	92400000
CY2019Q4	cboe	Marketable Securitiesand Cashand Cash Equivalents Amortized Cost Basis MarketableSecuritiesandCashandCashEquivalentsAmortizedCostBasis	71000000.0
CY2019Q4	cboe	Marketable Securitiesand Cashand Cash Equivalents MarketableSecuritiesandCashandCashEquivalents	71000000.0
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	229100000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	165600000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	146500000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	118600000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	82600000
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6700000
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	10500000
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	9500000
CY2019Q4	us-gaap	Goodwill Goodwill	2682100000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	124800000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	138600000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	160000000.0
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24500000
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6700000
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	400000
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	100000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30700000
CY2020Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	63500000
CY2019Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	57200000
CY2020Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	37500000
CY2019Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	29700000
CY2020Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	38800000
CY2019Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	21900000
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	76300000
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	51600000
CY2020Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	32600000
CY2019Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	9200000
CY2018Q4	us-gaap	Goodwill Goodwill	2691400000
CY2019	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	8300000
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	201200000
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	11800000
CY2020Q4	us-gaap	Goodwill Goodwill	2895100000
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1720200000
CY2019	cboe	Intangible Assets Disposed IntangibleAssetsDisposed	3300000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	138600000
CY2019	cboe	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	11600000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1589900000
CY2020	cboe	Finite And Indefinite Lived Intangible Assets Excluding Goodwill Acquired FiniteAndIndefiniteLivedIntangibleAssetsExcludingGoodwillAcquired	247700000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	124800000
CY2020	cboe	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	16200000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1729000000.0
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	123700000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	110700000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	99400000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	77800000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	67200000
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	49100000
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	35200000
CY2020Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	500000
CY2019Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	6700000
CY2020Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	17200000
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	18600000
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	55500000
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	29300000
CY2020Q4	cboe	Rebates Payable Current RebatesPayableCurrent	85100000
CY2019Q4	cboe	Rebates Payable Current RebatesPayableCurrent	48500000
CY2020Q4	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	14100000
CY2019Q4	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	12600000
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	28500000
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	21000000.0
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	250000000.0
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	171900000
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	2300000
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-37600000
CY2019	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-35900000
CY2018	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-38200000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1203900000
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	867600000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	70000000.0
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1150000000.0
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1220000000.0
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6400000
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	9700000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1203900000
CY2020	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	35300000
CY2019	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	35600000
CY2018	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	38000000.0
CY2020	cboe	Amortization Of Financing Costs And Discounts And Credit Facility Fees AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees	3400000
CY2019	cboe	Amortization Of Financing Costs And Discounts And Credit Facility Fees AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees	2200000
CY2018	cboe	Amortization Of Financing Costs And Discounts And Credit Facility Fees AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees	2500000
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	38700000
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	37800000
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	40500000
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1100000
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	1900000
CY2020Q4	cboe	Clearing Participant Deposits Cash Contributions ClearingParticipantDepositsCashContributions	1190600000
CY2020Q4	cboe	Clearing Participant Deposits Non Cash Contributions ClearingParticipantDepositsNonCashContributions	645900000
CY2020Q4	cboe	Clearing Participant Deposits Total Contributions ClearingParticipantDepositsTotalContributions	1836500000
CY2020Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	67900000
CY2020Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	24500000
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	92400000
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	32700000
CY2020Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	24500000
CY2020Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	1319100000
CY2020Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1376300000
CY2019Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	47600000
CY2019Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	23400000
CY2019Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	71000000.0
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2200000
CY2019Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	23400000
CY2019Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	867600000
CY2019Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	893200000
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2200000
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	32700000
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	2200000
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	32700000
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	3900000
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-2600000
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2200000
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3427100000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	662200000
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2496100000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	537200000
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2768800000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	599400000
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21700000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21800000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	35100000
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	369483
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.40
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	358649
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	26.63
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10834
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.59
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10834
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.59
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1400000000
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3534115
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	98.78
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	349100000
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	17250124
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	66.66
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1100000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	325000000
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	125998967
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	107299933
CY2020Q4	cboe	Common Stock Number Of Votes Per Share CommonStockNumberOfVotesPerShare	1
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18699034
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15044997
CY2011Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2012Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2013Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2014Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2015Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2016Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2018Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	150000000
CY2018Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000
CY2020Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	200100000
CY2020Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1013709
CY2020Q4	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	86.79
CY2020Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	88000000.0
CY2020Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	465366
CY2020Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	89.92
CY2020Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	41800000
CY2020Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	992159
CY2020Q2	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	100.54
CY2020Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	99800000
CY2020Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1062881
CY2020Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	112.46
CY2020Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	119500000
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3534115
CY2019Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	600442
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	349100000
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	82500000
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	55800000
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	351100000
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	357600000
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21800000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	14500000
CY2020Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	56600000
CY2019Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	68200000
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.56
CY2019Q4	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	115.76
CY2019Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	69500000
CY2019Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	453319
CY2019Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	115.49
CY2019Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	52400000
CY2019Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	100
CY2019Q2	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	104.75
CY2019Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	10000.00
CY2019Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	366793
CY2019Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	95.36
CY2019Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	35000000.0
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1420654
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	156900000
CY2018Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	491899
CY2018Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	99.75
CY2018Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	49100000
CY2018Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	468913
CY2018Q2	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	102.92
CY2018Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	48300000
CY2018Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	387142
CY2018Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	112.52
CY2018Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	43600000
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1347954
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	140900000
CY2020	cboe	Treasury Stock Shares Acquired From Employee Stock Plans Cost Method TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod	120552
CY2019	cboe	Treasury Stock Shares Acquired From Employee Stock Plans Cost Method TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod	143247
CY2020	cboe	Treasury Stock Acquired From Employee Stock Plans Average Price Paid Per Share TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare	117.98
CY2019	cboe	Treasury Stock Acquired From Employee Stock Plans Average Price Paid Per Share TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare	97.22
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	170600000
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.34
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	150000000.0
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11400000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14100000
CY2020Q4	cboe	Deferred Tax Assets Property Equipment And Technology DeferredTaxAssetsPropertyEquipmentAndTechnology	2400000
CY2019Q4	cboe	Deferred Tax Assets Property Equipment And Technology DeferredTaxAssetsPropertyEquipmentAndTechnology	1900000
CY2020Q4	cboe	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	36200000
CY2019Q4	cboe	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	13500000
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	39300000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	30500000
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	89300000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	60000000.0
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6800000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4200000
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5700000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	601900000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	480000000.0
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	548300000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	58500000
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	2800000
CY2019Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	2200000
CY2020Q4	cboe	Deferred Tax Liabilities Operating Leases DeferredTaxLiabilitiesOperatingLeases	27800000
CY2019Q4	cboe	Deferred Tax Liabilities Operating Leases DeferredTaxLiabilitiesOperatingLeases	13000000.0
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	460100000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	455500000
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	377600000
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	399700000
CY2020Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	6800000
CY2020Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	32100000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	143700000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	98700000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	125100000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	70500000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	61200000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	58700000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8900000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	7900000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	9900000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	223100000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	167800000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	193700000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-25200000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-28700000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-18400000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-9100000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3800000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-23700000
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3400000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4700000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5600000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-30900000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-37200000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-47700000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	192200000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130600000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	146000000.0
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	21400000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	22900000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	660400000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	501400000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	571200000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.002
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.035
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.042
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
CY2020	cboe	Effective Income Tax Rate Reconciliation Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationUncertainTaxPositions	0.029
CY2019	cboe	Effective Income Tax Rate Reconciliation Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationUncertainTaxPositions	0.026
CY2018	cboe	Effective Income Tax Rate Reconciliation Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationUncertainTaxPositions	0.061
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.011
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.012
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.008
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.015
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.014
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.030
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.291
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.260
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.256
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	116700000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	102300000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	67800000
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3300000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3100000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	35000000.0
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6300000
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	19000000.0
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	24300000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	18500000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	19000000.0
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	900000
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	500000
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	138600000
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	116700000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	102300000
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	137400000
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	114900000
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	99500000
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	6900000
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	6600000
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1100000
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	26100000
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	19200000
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	12600000
CY2020	us-gaap	Profit Loss ProfitLoss	468200000
CY2019	us-gaap	Profit Loss ProfitLoss	370800000
CY2018	us-gaap	Profit Loss ProfitLoss	425200000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-4100000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1300000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	468200000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	374900000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	426500000
CY2019	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	500000
CY2018	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	1300000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1200000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1700000
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3100000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	467000000.0
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	372700000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	422100000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109100000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111400000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111800000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.28
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.35
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
CY2020	us-gaap	Profit Loss ProfitLoss	468200000
CY2019	us-gaap	Profit Loss ProfitLoss	370800000
CY2018	us-gaap	Profit Loss ProfitLoss	425200000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-4100000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1300000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	468200000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	374900000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	426500000
CY2019	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	500000
CY2018	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	1300000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1200000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1700000
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3100000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	467000000.0
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	372700000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	422100000
CY2020	cboe	Weighted Average Numberof Shares Outstanding Diluted Before Effectof Incremental Common Shares Attributableto Participating Nonvested Shareswith Nonforfeitable Dividend Rights WeightedAverageNumberofSharesOutstandingDilutedBeforeEffectofIncrementalCommonSharesAttributabletoParticipatingNonvestedShareswithNonforfeitableDividendRights	109100000
CY2019	cboe	Weighted Average Numberof Shares Outstanding Diluted Before Effectof Incremental Common Shares Attributableto Participating Nonvested Shareswith Nonforfeitable Dividend Rights WeightedAverageNumberofSharesOutstandingDilutedBeforeEffectofIncrementalCommonSharesAttributabletoParticipatingNonvestedShareswithNonforfeitableDividendRights	111400000
CY2018	cboe	Weighted Average Numberof Shares Outstanding Diluted Before Effectof Incremental Common Shares Attributableto Participating Nonvested Shareswith Nonforfeitable Dividend Rights WeightedAverageNumberofSharesOutstandingDilutedBeforeEffectofIncrementalCommonSharesAttributabletoParticipatingNonvestedShareswithNonforfeitableDividendRights	111800000
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	400000
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	400000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109300000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111800000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112200000
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.27
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.34
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.76
CY2020	cboe	Additional Right Of Use Assets AdditionalRightOfUseAssets	68900000
CY2020Q4	cboe	Additional Operating Lease Liabilities AdditionalOperatingLeaseLiabilities	96300000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	111000000.0
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	53400000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	111000000.0
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	53400000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	12500000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8700000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	132100000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	46700000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	144600000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	55400000
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	20200000
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	12400000
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y1M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y2M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.034
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	11100000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	11200000
CY2020	cboe	Lease Incentive For Leasehold Improvements LeaseIncentiveForLeaseholdImprovements	25200000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	68900000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	22100000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	16400000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	17300000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	15800000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	11100000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	10300000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	107200000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	178100000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	33500000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	144600000
CY2020Q4	cboe	Lessee Operating Lease Liability Payments With Option To Extend Term LesseeOperatingLeaseLiabilityPaymentsWithOptionToExtendTerm	20400000
CY2020Q1	us-gaap	Gross Profit GrossProfit	358300000
CY2020Q2	us-gaap	Gross Profit GrossProfit	296900000
CY2020Q3	us-gaap	Gross Profit GrossProfit	292000000.0
CY2020Q4	us-gaap	Gross Profit GrossProfit	307100000
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	226400000
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	161700000
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	139300000
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	134800000
CY2020Q1	us-gaap	Profit Loss ProfitLoss	157400000
CY2020Q2	us-gaap	Profit Loss ProfitLoss	113600000
CY2020Q3	us-gaap	Profit Loss ProfitLoss	109900000
CY2020Q4	us-gaap	Profit Loss ProfitLoss	87300000
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	157000000.0
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	113300000
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	109600000
CY2020Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	87100000
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
CY2019Q1	us-gaap	Gross Profit GrossProfit	279400000
CY2019Q2	us-gaap	Gross Profit GrossProfit	283200000
CY2019Q3	us-gaap	Gross Profit GrossProfit	294000000.0
CY2019Q4	us-gaap	Gross Profit GrossProfit	280300000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	145400000
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	125200000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	147400000
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	119200000
CY2019Q1	us-gaap	Profit Loss ProfitLoss	94100000
CY2019Q2	us-gaap	Profit Loss ProfitLoss	84500000
CY2019Q3	us-gaap	Profit Loss ProfitLoss	105900000
CY2019Q4	us-gaap	Profit Loss ProfitLoss	86300000
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	93500000
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	87600000
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	105500000
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86100000
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.84
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.79
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77

Files In Submission

Name	View Source	Status
0001558370-21-001286-index-headers.html	Edgar Link	pending
0001558370-21-001286-index.html	Edgar Link	pending
0001558370-21-001286.txt	Edgar Link	pending
0001558370-21-001286-xbrl.zip	Edgar Link	pending
cboe-20201231.xsd	Edgar Link	pending
cboe-20201231x10k.htm	Edgar Link	pending
cboe-20201231x10k001.jpg	Edgar Link	pending
cboe-20201231x10k002.jpg	Edgar Link	pending
cboe-20201231x10k004.jpg	Edgar Link	pending
cboe-20201231x10k006.jpg	Edgar Link	pending
cboe-20201231x10k008.jpg	Edgar Link	pending
cboe-20201231x10k009.jpg	Edgar Link	pending
cboe-20201231x10k015.jpg	Edgar Link	pending
cboe-20201231x10k_htm.xml	Edgar Link	completed
cboe-20201231xex10d67.htm	Edgar Link	pending
cboe-20201231xex10d68.htm	Edgar Link	pending
cboe-20201231xex10d69.htm	Edgar Link	pending
cboe-20201231xex10d70.htm	Edgar Link	pending
cboe-20201231xex10d71.htm	Edgar Link	pending
cboe-20201231xex21d1.htm	Edgar Link	pending
cboe-20201231xex23d1.htm	Edgar Link	pending
cboe-20201231xex23d2.htm	Edgar Link	pending
cboe-20201231xex31d1.htm	Edgar Link	pending
cboe-20201231xex31d2.htm	Edgar Link	pending
cboe-20201231xex32d1.htm	Edgar Link	pending
cboe-20201231xex32d2.htm	Edgar Link	pending
cboe-20201231_cal.xml	Edgar Link	unprocessable
cboe-20201231_def.xml	Edgar Link	unprocessable
cboe-20201231_lab.xml	Edgar Link	unprocessable
cboe-20201231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R106.htm	Edgar Link	pending
R107.htm	Edgar Link	pending
R108.htm	Edgar Link	pending
R109.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R110.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$CBOE
Cboe Global Markets, Inc. Stock $cboe

2020 Q4 Form 10-K Financial Statement

#000155837021001286 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CBOE Cboe Global Markets, Inc. Stock $cboe

2020 Q4 Form 10-K Financial Statement

#000155837021001286 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CBOE
Cboe Global Markets, Inc. Stock $cboe