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Share-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2024
Mar. 30, 2024
Apr. 01, 2023
Dec. 31, 2023
Pre-Merger Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense (gain)   $ 1.5 $ (4.8)  
Pre-Merger Awards | Subsequent Event        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cash used to settle award $ 24.7      
Pre-Merger Awards | Employee-Related Liabilities        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based liability to be cash settled   3.0   $ 27.6
Incentive Unit        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense (gain)   $ 1.6 $ 2.5  
Award vesting period   5 years    
Granted during period (in shares)   24,010    
Average grant date fair value (in dollars per share)   $ 46.71    
Period for recognition   3 years 7 months 6 days    
Unrecognized share-based compensation expense   $ 29.5