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Acquisitions - Turfway Park (Details) - USD ($)
$ in Millions
Oct. 09, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Goodwill acquired in the acquisition   $ 366.8 $ 366.8 $ 367.1
Turfway Park        
Business Acquisition [Line Items]        
Total consideration $ 46.0      
Consideration to be paid 36.0      
Working capital and other purchase price adjustments 0.9      
Purchase and sale agreement rights 10.0      
Cash acquired in the acquisition 0.6      
Land acquired in the acquisition 18.8      
Goodwill acquired in the acquisition 2.7      
Current liabilities acquired in the acquisition 2.3      
Turfway Park | Game Rights        
Business Acquisition [Line Items]        
Indefinite-lived intangible assets acquired in the acquisition 9.8      
Turfway Park | Trademarks        
Business Acquisition [Line Items]        
Indefinite-lived intangible assets acquired in the acquisition $ 5.5