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Summary of Non-Qualified Stock Options (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Stock Appreciation Rights (SARs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 775,812   775,812   818,284
Granted (in shares)     0    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised     (41,745)    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures     (727)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 775,812   775,812    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 59.43   $ 59.43   $ 59.55
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     0    
Weighted Average Exercise Price, Exercises in Period (in dollars per share)     61.64    
Weighted Average Exercise Price, Forfeitures in Period (in dollars per share)     76.25    
Weighted Average Exercise Price, Exercisable (in dollars per share) $ 59.43   $ 59.43    
Weighted Average Remaining Contractual Term, Outstanding (in years)     4 years 7 months 6 days    
Aggregate Intrinsic Value, Outstanding $ 76.9   $ 76.9    
Weighted Average Remaining Contractual Term, Exercisable (in years)     4 years 7 months 6 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 76.9   $ 76.9    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 4.6    
Share-based Payment Arrangement, Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 241,854   241,854   163,082
Granted (in shares) 0 1,954 85,425 77,136  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised     (2,326)    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures     (4,327)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 78,712   78,712    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 147.20   $ 147.20   $ 144.51
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     152.07    
Weighted Average Exercise Price, Exercises in Period (in dollars per share)     122.09    
Weighted Average Exercise Price, Forfeitures in Period (in dollars per share)     155.67    
Weighted Average Exercise Price, Exercisable (in dollars per share) $ 136.91   $ 136.91    
Weighted Average Remaining Contractual Term, Outstanding (in years)     8 years 8 months 12 days    
Aggregate Intrinsic Value, Outstanding $ 3.7   $ 3.7    
Weighted Average Remaining Contractual Term, Exercisable (in years)     8 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 2.0   $ 2.0