Equity Method Investment Acquired, Percentage Of Shares Acquired On Delayed Basis

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Related Party Transaction, Number Of Agreements

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Number of annual performance periods over which performance targets are measured for determining potential compensation under the performance share awards.

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Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Tranches

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Percentage of award which can potentially be earned over the award period of share-based compensation awards.

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Share Based Compensation Arrangement by Share Based Payment Award, Share Ratio

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Share-based Compensation Arrangement by Share-based Payment Award, Performance Period

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The cash inflow from the additional capital contribution to the entity.

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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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Cash received on stock transaction after deduction of issuance costs.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Amount of cash paid to settle liability for award under share-based payment arrangement.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Value of stock issued pursuant to acquisitions during the period.

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Stockholders’ Equity and Stock-Based Compensation (Details) $ / shares in Units, $ in Millions											1 Months Ended		3 Months Ended				9 Months Ended
	Aug. 01, 2021 shares	May 11, 2021 USD ($) shares	Apr. 12, 2021 USD ($) tranche shares	Sep. 25, 2020 USD ($) $ / shares shares	Sep. 25, 2020 $ / shares shares	Sep. 24, 2020 shares	May 19, 2020 USD ($) $ / shares shares	May 19, 2020 $ / shares shares	May 14, 2020 shares	Feb. 20, 2020 $ / shares shares	Apr. 30, 2021 shares	Feb. 29, 2020 shares	Sep. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) agreement	Mar. 31, 2021 $ / shares shares	Sep. 30, 2020 USD ($) shares	Sep. 30, 2021 USD ($) performance_period $ / shares shares	Sep. 30, 2020 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share issuance/Common Stock Offering (in shares) \| shares				2,100,000	16,100,000	14,000,000	2,500,000	19,166,667	16,666,667						151,200		43,000
Shares issued, price (in dollars per share) \| $ / shares				$ 61.00	$ 61.00		$ 18.00	$ 18.00
Gross proceeds from transaction				$ 982.1			$ 345.0
Proceeds from common stock offerings, net of discounts and fees				957.6			331.2										$ 0.0	$ 1,288.8
Payments of stock issuance costs				$ 24.5			$ 13.8
Common stock, shares authorized (in shares) \| shares													400,000,000				400,000,000		200,000,000
Preferred stock, par value (in dollars per share) \| $ / shares															$ 0.01
Stock-based compensation expense (reduction to expense)													$ 8.5			$ 2.8	$ 21.9	$ 11.7
Stock options granted (in shares) \| shares													736			12,327	230,901	648,259
Shareholders \| Note Payable Agreements
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of agreements \| agreement														2
Amount from agreements														$ 9.0
Interest rate														2.25%
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award period																	3 years
Number of annual award performance periods \| performance_period																	3
Service period																	1 year
Vesting period																	3 years
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of award which can potentially be earned																	50.00%
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of award which can potentially be earned																	150.00%
Cash-settled Phantom Stock Units (CPSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition																	2 years
Stock-based compensation expense (reduction to expense)													$ 5.5			$ 5.3	$ 11.2	$ 7.3
Liability for cash-settled awards													7.8				7.8		$ 10.1
Unrecognized compensation cost, other awards													21.1				21.1
Amounts paid on cash-settled awards																	$ 13.5	4.5
Cash-settled Phantom Stock Units (CPSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period																	3 years
Cash-settled Phantom Stock Units (CPSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period																	4 years
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition																	2 years 1 month 6 days
Stock-based compensation expense (reduction to expense)													3.2			$ 37.8	$ 13.6	50.0
Vesting period																	4 years
Liability for cash-settled awards													30.1				$ 30.1		$ 54.6
Unrecognized compensation cost, other awards													$ 44.0				44.0
Amounts paid on cash-settled awards																	$ 38.8	$ 22.8
2018 Long Term Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for awards, up to (in shares) \| shares													12,700,000				12,700,000
Common stock counted against the maximum shares available for grant for each share awarded under the plan (in shares)																	1
Shares available for future grants (in shares) \| shares													4,863,345				4,863,345
2018 Long Term Incentive Compensation Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock counted against the maximum shares available for grant for each share awarded under the plan (in shares)																	2.30
2018 Long Term Incentive Compensation Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) \| shares			600,000
Fair value of stock awards			$ 29.3
Number of tranches \| tranche			4
2018 Long Term Incentive Compensation Plan \| Restricted Stock Units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition			6 years 8 months 12 days
2018 Long Term Incentive Compensation Plan \| Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition			8 years 8 months 12 days
2018 Long Term Incentive Compensation Plan \| Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) \| shares			300,000
Fair value of stock awards			$ 19.4
Number of tranches \| tranche			15
2018 Long Term Incentive Compensation Plan \| Restricted Stock Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition			2 years 2 months 12 days
2018 Long Term Incentive Compensation Plan \| Restricted Stock Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized compensation costs, weighted average period of recognition			6 years
2018 Long Term Incentive Compensation Plan \| Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of stock awards			$ 48.7
Stock-based compensation expense (reduction to expense)													$ 2.2				$ 4.1
Performance Share Program \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) \| shares												107,297
Performance Share Program II \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) \| shares											95,276
Barstool Sports, Inc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share issuance/Common Stock Offering (in shares) \| shares																	86
Equity method investment, ownership percentage													0.30%		0.30%		0.60%
Investment acquired, percent, delayed basis												1.00%					1.00%
Series D Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share issuance/Common Stock Offering (in shares) \| shares										883			43		43
Preferred stock, par value (in dollars per share) \| $ / shares										$ 0.01			$ 0.01				$ 0.01		$ 0.01
Convertible debt issuance (in shares) \| shares															151.2		43.0
Preferred stock, shares authorized (in shares) \| shares													5,000				5,000		5,000
Preferred stock, shares outstanding (in shares) \| shares													775				775		883
HitPoint
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued for acquisition (in shares) \| shares	198,103	43,684
Shares issued for acquisition		$ 3.5