Fair Value Measurements - Assets Measured at Fair Value on a Non-Recurring Basis (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2022	Mar. 31, 2020	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total  Reduction in Fair Value Recorded		$ 113.0	$ 37.4
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]			Impairment losses
Operating segments | Northeast segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total  Reduction in Fair Value Recorded	$ 37.4	$ 43.5	$ 37.4
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, fair value	30.0
Gaming licenses | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	101.0		74.0
Total  Reduction in Fair Value Recorded	65.4		13.6
Level 1 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, fair value	0.0
Level 1 | Gaming licenses | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0.0		0.0
Level 2 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, fair value	0.0
Level 2 | Gaming licenses | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0.0		0.0
Level 3 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, fair value	30.0
Level 3 | Gaming licenses | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	$ 101.0		$ 74.0