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Goodwill (Tables)
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Goodwill, by segment, is comprised of the following:
(in millions)Live and HistoricalTwinSpiresGamingAll OtherTotal
Balance, December 31, 2020$52.4 $152.2 $161.2 $1.0 $366.8 
Adjustments— — — — — 
Balance, December 31, 202152.4 152.2 161.2 1.0 366.8 
Additions227.9 — 129.1 — 357.0 
Balance, December 31, 2022$280.3 $152.2 $290.3 $1.0 $723.8