Supplemental Balance Sheet Information - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 103.6	$ 111.9
Allowance for credit losses	(4.9)	(5.0)
Accounts receivable, net	98.7	106.9
Trade receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	37.3	42.6
Simulcast and online wagering receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	40.2	44.9
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 26.1	$ 24.4