v3.26.1
Business Acquisitions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 02, 2026
Apr. 01, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 29, 2026
Apr. 01, 2026
Mar. 01, 2026
Dec. 31, 2025
Mar. 31, 2025
Oct. 31, 2021
Business Combination [Line Items]                        
Goodwill     $ 5,811.8   $ 5,811.8         $ 5,259.5    
Non-taxable gain     $ 0.0 $ 0.0 225.5 $ 0.0            
Purchase accounting measurement period adjustments         $ (2.6)              
Trans Union de Mexico, S.A., S.I.C.                        
Business Combination [Line Items]                        
Dividends payable included in other current liabilities                 $ 56.6      
Dividends payable included in other liabilities                 $ 10.0      
Trans Union de Mexico, S.A., S.I.C.                        
Business Combination [Line Items]                        
Remaining equity interest 6.00%   95.00%   95.00%   94.00%          
Payments to acquire noncontrolling interest     $ 8.6                  
Trans Union de Mexico, S.A., S.I.C.                        
Business Combination [Line Items]                        
Fair value of investment $ 247.4                      
Trans Union de Mexico, S.A., S.I.C.                        
Business Combination [Line Items]                        
Purchase consideration 986.5                      
Goodwill 544.2                      
Intangible assets $ 581.8                      
Weighted-Average Amortization Period 14 years 9 months 18 days                      
Business acquisition, percentage of voting interests acquired 68.00%                      
Cash consideration paid to sellers $ 659.7                      
Previously owned equity, percentage                 26.00%      
Total equity interest 94.00%                      
Non-taxable gain $ 225.5                      
Transaction costs 18.1       $ 5.8 $ 2.5            
Measurement period adjustment, increase to intangible assets     5.8                  
Measurement period adjustment, increase to deferred tax liabilities     2.2                  
Purchase accounting measurement period adjustments     $ 3.3                  
Deferred tax liabilities $ 171.3                      
RealNetworks LLC                        
Business Combination [Line Items]                        
Purchase consideration   $ 25.8                    
Goodwill               $ 12.2        
Intangible assets               $ 8.3        
Weighted-Average Amortization Period   12 years 4 months 24 days                    
Monevo Limited                        
Business Combination [Line Items]                        
Purchase consideration   $ 116.7                    
Goodwill   68.0                    
Intangible assets   $ 64.0                    
Weighted-Average Amortization Period   11 years                    
Business acquisition, percentage of voting interests acquired   70.00%                    
Cash consideration paid to sellers   $ 56.0                    
Previously owned equity, percentage                     30.00% 30.00%
Non-taxable gain   12.3                    
Deferred tax liabilities   $ 15.6