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Subsequent Events (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Mar. 31, 2019
Apr. 07, 2020
Dec. 31, 2019
Subsequent Event [Line Items]          
Ownership interest (as a percent)   50.00%     50.00%
Payments to Acquire Businesses and Interest in Affiliates   $ 0.0 $ 9.6    
Subsequent Event          
Subsequent Event [Line Items]          
Ownership interest (as a percent)       100.00%  
United Kingdom, Pounds | Subsequent Event          
Subsequent Event [Line Items]          
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value $ 120.0        
Payments to Acquire Businesses and Interest in Affiliates 103.0        
Contingent consideration       $ 17.0  
Stock Issued During Period, Value, Acquisitions 64.9        
Proceeds from borrowings 42.5        
United States of America, Dollars | Subsequent Event          
Subsequent Event [Line Items]          
Stock Issued During Period, Value, Acquisitions $ 79.9