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Share Incentive Plan - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
1 Months Ended 12 Months Ended
Jan. 31, 2022
Dec. 31, 2021
May 03, 2025
Apr. 27, 2024
Apr. 29, 2023
Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total intrinsic value of options exercised during period     $ 130.5 $ 36.2 $ 22.2  
Weighted average grant date fair value of options vested (in US dollars per share)     $ 1.64 $ 1.52 $ 1.41  
Total grant date fair value of options vested     $ 6.8 $ 13.3 $ 15.6  
Unrecognized compensation expense, options     $ 0.1      
Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation expense, amortization period     2 months 15 days      
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation expense, amortization period     2 years 7 months 28 days      
Unrecognized compensation expense     $ 318.6      
Grants in period (in shares)     3.9 5.4 5.5  
Weighted average grant (in US dollars per share)     $ 33.88 $ 16.11 $ 11.66 $ 10.26
Weighted-Average Remaining Contractual Term     1 year 4 months 20 days 1 year 6 months 7 days 1 year 7 months 24 days 1 year 7 months 24 days
Aggregate intrinsic value     $ 458.1 $ 188.2 $ 63.2 $ 45.6
Phantom Share Units (PSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation expense     $ 17.1      
Grants in period (in shares)     0.2      
Weighted average grant (in US dollars per share)     $ 43.70      
Weighted-Average Remaining Contractual Term     2 years 6 months      
Aggregate intrinsic value     $ 10.1      
Phantom Share Units (PSUs) | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     0.00%      
Phantom Share Units (PSUs) | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     200.00%      
Achievement PSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Awards vesting term     3 years      
Vesting percentage     25.00%      
Employee Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Ordinary shares reserved for issuance (in shares) 3.8          
Contribution rate not to exceed 15.00%          
Look-back period 24 months          
Percent of fair market value on purchase date 85.00%          
Offering period 2 years          
Purchase period (in months) 6 months          
Shares issued during period (in shares)     0.2 0.3 0.2  
Number of shares available for issuance (in shares)     6.0      
2015 Stock Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Ordinary shares reserved for issuance (in shares)           26.0
Option term     10 years      
Estimated fair value, percentage     100.00%      
Awards vesting term     4 years      
2015 Stock Plan | Tranche One, First Anniversary of Issuance Date            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     25.00%      
2015 Stock Plan | Tranche Two, Per Month Thereafter            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     2.083%      
2021 Long-Term Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Ordinary shares reserved for issuance (in shares)   19.9 18.9      
Awards vesting term   4 years