Significant Accounting Policies - Concentration of Credit Risk and Receivables (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for credit losses	$ (8.5)	$ (8.0)
Accounts receivable, net	246.4	195.0
Markers and returned checks
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	13.1	15.1
Payment processors, credit card, and other advances to customers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	80.2	17.7
Receivables from ATM and cash kiosk transactions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	26.1	20.9
Hotel and banquet
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	4.7	4.1
Racing settlements
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	8.0	12.8
Online gaming and licensing receivables from third party operators, including taxes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	62.7	66.3
Media receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	15.0	10.3
Insurance Receivable - Hurricane Laura
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	0.0	28.7
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 45.1	$ 27.1

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