v3.25.4
ACQUISITIONS - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 01, 2024
Sep. 30, 2025
Aug. 31, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Jun. 30, 2025
Business Combination [Line Items]              
Cash payments         $ 55.8 $ 193.5  
Contingent consideration obligations         22.5   $ 14.0
Goodwill         $ 3,708.6   $ 3,609.6
iJoin              
Business Combination [Line Items]              
Cash payments   $ 31.9          
Deferred payments   3.5          
Contingent consideration obligations   8.5          
Net tangible assets acquired   0.1          
Goodwill   24.1          
Intangible assets   $ 19.7          
iJoin | Minimum              
Business Combination [Line Items]              
Weighted average useful life   7 years          
iJoin | Maximum              
Business Combination [Line Items]              
Weighted average useful life   5 years          
Signal              
Business Combination [Line Items]              
Deferred payments     $ 2.7        
Aggregate purchase price     $ 26.6        
SIS              
Business Combination [Line Items]              
Cash payments $ 185.5            
Net tangible assets acquired 1.9            
Goodwill 38.3            
Intangible assets $ 149.1            
Weighted average useful life 10 years            
Aggregate purchase price $ 185.5            
2024 Immaterial Acquisition              
Business Combination [Line Items]              
Aggregate purchase price       $ 8.0