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Credit Facility (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Line of Credit Facility [Line Items]          
Long-term Line of Credit, Noncurrent, Net of Debt Issuance Costs $ 1,587.9   $ 1,587.9   $ 138.2
Line of Credit Facility, Maximum Borrowing Capacity 50.1   50.1    
Letters of Credit Outstanding, Amount 0.7   0.7   0.7
Line of Credit [Member]          
Line of Credit Facility [Line Items]          
Unamortized Debt Issuance Expense 12.1   12.1   11.8
Long-term Line of Credit, Noncurrent, Net of Debt Issuance Costs 1,587.9   1,587.9   138.2
Line of Credit Facility, Maximum Borrowing Capacity 3,350.0   3,350.0   $ 2,750.0
Line of Credit Facility, Average Outstanding Amount $ 1,599.8 $ 497.1 $ 1,295.9 $ 432.5  
Pricing on the Facility based on market rates     SOFR plus 0.875% to 1.35%    
Description of Variable Rate Basis     SOFR    
Basis spread on variable rate (in hundredths)     0.94%    
Line of Credit Facility, Interest Rate During Period 3.20% 1.00% 2.20% 1.00%