v3.26.1
Business Acquisitions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 02, 2026
Apr. 01, 2025
Mar. 31, 2026
Mar. 31, 2025
Mar. 01, 2026
Dec. 31, 2025
Oct. 31, 2021
Business Combination [Line Items]              
Non-taxable gain     $ 225.5 $ 0.0      
Goodwill     5,775.6     $ 5,259.5  
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%            
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]              
Business acquisition, percentage of voting interests acquired 68.00%            
Cash consideration paid to sellers $ 659.7            
Purchase consideration $ 986.5            
Previously owned equity, percentage         26.00%    
Total equity interest 94.00%            
Non-taxable gain $ 225.5            
Transaction costs 18.8   $ 6.4 $ 1.2      
Goodwill 547.5            
Intangible assets 576.0            
Deferred tax liabilities $ 169.2            
Weighted-Average Amortization Period 14 years 9 months 18 days            
Monevo Limited              
Business Combination [Line Items]              
Business acquisition, percentage of voting interests acquired   70.00%          
Cash consideration paid to sellers   $ 56.0          
Purchase consideration   116.7          
Previously owned equity, percentage       30.00%     30.00%
Non-taxable gain   12.3          
Goodwill   68.0          
Intangible assets   64.0          
Deferred tax liabilities   $ 15.6          
Weighted-Average Amortization Period   11 years