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Debt - Junior Convertible Securities (Details)
 6 Months Ended
Jun. 30, 2023
USD ($)
d
$ / shares
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]      
Debt $ 2,536,400,000   $ 2,535,300,000
Junior convertible securities      
Debt Instrument [Line Items]      
Debt 338,700,000   338,600,000
Junior Convertible Trust Preferred Securities | Junior convertible securities      
Debt Instrument [Line Items]      
Debt $ 341,700,000    
Debt interest rate 5.15%    
Unamortized debt issuance costs $ 3,000,000   $ 3,100,000
Conversion ratio per share of common stock 0.2558    
Face amount of convertible security (in dollars per share) | $ / shares $ 50.00    
Adjusted conversion price (in dollars per share) | $ / shares $ 195.47    
Convertible debt, threshold trading days | d 20    
Convertible debt, threshold consecutive trading days | d 30    
Debt instrument, convertible, threshold percentage 1.30    
Repayments of convertible debt $ 0 $ 60,900,000  
Deferred tax liabilities, net, decrease resulting from repurchase of junior convertible securities   $ 11,700,000