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Natural Disaster (Details)
$ in Millions
1 Months Ended 12 Months Ended
Aug. 31, 2021
facility
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2021
facility
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]          
Operating expenses   $ 1,312.8 $ 993.8 $ 1,114.0  
Hurricane          
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]          
Number of off-track betting facilities damaged | facility 15        
Number of off-track betting facilities closed | facility         2
Property, plant and equipment, transfers and changes   2.8      
Operating expenses   2.5      
Insurance recoveries   2.7      
Insurance recovery receivable   $ 2.6