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Other Balance Sheet Items - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Accounts Receivable, Net, Current [Abstract] |  |
Accounts receivable, gross | $ 87.2 | $ 47.7
Allowance for doubtful accounts | (5.7) | (5.4)
Total | 81.5 | 42.3
Trade receivables |  |
Accounts Receivable, Net, Current [Abstract] |  |
Accounts receivable, gross | 12.5 | 7.6
Simulcast and online wagering receivables |  |
Accounts Receivable, Net, Current [Abstract] |  |
Accounts receivable, gross | 54.1 | 29.6
Other receivables |  |
Accounts Receivable, Net, Current [Abstract] |  |
Accounts receivable, gross | $ 20.6 | $ 10.5

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