Investments in and Advances to Unconsolidated Affiliates (Details) $ / shares in Units, $ in Millions								1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Jun. 01, 2022 shares	Feb. 24, 2022 $ / shares shares	Feb. 23, 2022 $ / shares shares	Oct. 01, 2021 USD ($)	Aug. 23, 2021 $ / shares shares	Feb. 22, 2021 $ / shares shares	Feb. 20, 2020 $ / shares shares	Feb. 29, 2020 USD ($) option $ / shares	Sep. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Aug. 17, 2022
Schedule of Equity Method Investments [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01		$ 0.01	$ 0.01
Return on investment from unconsolidated affiliates												$ 27.5	$ 23.9
Series D Preferred Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares							883
Preferred stock, par value (in dollars per share) | $ / shares							$ 0.01		$ 0.01			$ 0.01		$ 0.01
Preferred stock, conversion ratio							0.001
Convertible preferred stock, shares issued upon conversion (in shares) | shares									51			51
Common Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares		151,200	43,000		43,000	151,200
Preferred stock, conversion ratio							1
Barstool Sports, Inc
Schedule of Equity Method Investments [Line Items]
Ownership interest									36.00%			36.00%			100.00%
Investment acquired, percent								36.00%
Investment acquired, percent, delayed basis								1.00%				1.00%
Common stock, par value (in dollars per share) | $ / shares								$ 0.0001	$ 0.0001			$ 0.0001
Investment purchase price				$ 325.0				$ 161.2
Investment purchase price, cash								135.0
Investment purchase price, equity								$ 23.1
Investment acquired, ownership percentage following additional investment				50.00%
Investment acquired, multiplier of revenue to calculate floor at time of exercise				2.25
Equity method investment, ownership percentage										0.30%				0.60%
Commercial agreement term								10 years
Commercial agreement number of renewals | option								3
Commercial agreement renewal term								10 years
Commercial agreement term with exercise of renewals								40 years
Customer list intangible asset									$ 0.2			$ 0.2		$ 0.8
Prepaid advertising									14.5			14.5		15.4
Prepaid advertising, long-term									13.3			13.3		14.2
Investment balance									$ 160.2			$ 160.2		162.5
Barstool Sports, Inc | Common Stock
Schedule of Equity Method Investments [Line Items]
Stock issuance (Note 13) (in shares) | shares	64,000
Kansas Entertainment
Schedule of Equity Method Investments [Line Items]
Ownership interest									50.00%			50.00%
Investment balance									$ 79.9			$ 79.9		$ 83.8
Return on investment from unconsolidated affiliates									$ 10.5		$ 10.5	$ 27.5	$ 23.9
Freehold Raceway
Schedule of Equity Method Investments [Line Items]
Ownership interest									50.00%			50.00%