v3.26.1
ACQUISITIONS - Schedule of estimated fair values of the assets acquired and liabilities assumed (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Business Acquisition [Line Items]      
Goodwill $ 1,904.3 $ 1,695.7 $ 1,554.4
Perimeter 81 Ltd [Member]      
Business Acquisition [Line Items]      
Goodwill 322.8    
Net assets acquired 23.7    
Total $ 503.1    
Perimeter 81 Ltd [Member] | Core technology      
Business Acquisition [Line Items]      
Weighted Average Useful Life 8 years    
Intangible assets $ 99.6    
Perimeter 81 Ltd [Member] | Customer Relationships [Member]      
Business Acquisition [Line Items]      
Weighted Average Useful Life 2 years    
Intangible assets $ 57.0    
Cyberint Ltd [Member]      
Business Acquisition [Line Items]      
Goodwill 133.4    
Net assumed liabilities (11.7)    
Total $ 188.6    
Cyberint Ltd [Member] | Core technology      
Business Acquisition [Line Items]      
Weighted Average Useful Life 7 years    
Intangible assets $ 51.2    
Cyberint Ltd [Member] | Customer Relationships [Member]      
Business Acquisition [Line Items]      
Weighted Average Useful Life 1 year    
Intangible assets $ 15.7    
Lakera Ai Ag [Member]      
Business Acquisition [Line Items]      
Goodwill 150.1    
Net assets acquired 3.0    
Total $ 201.8    
Lakera Ai Ag [Member] | Core technology      
Business Acquisition [Line Items]      
Weighted Average Useful Life 7 years    
Intangible assets $ 44.0    
Lakera Ai Ag [Member] | Customer Relationships [Member]      
Business Acquisition [Line Items]      
Weighted Average Useful Life 1 year    
Intangible assets $ 4.4    
Lakera Ai Ag [Member] | Trademarks [Member]      
Business Acquisition [Line Items]      
Weighted Average Useful Life 1 year    
Intangible assets $ 0.3    
Veriti Security Ltd [Member]      
Business Acquisition [Line Items]      
Goodwill 58.5    
Net assets acquired 1.8    
Total $ 92.5    
Veriti Security Ltd [Member] | Core technology      
Business Acquisition [Line Items]      
Weighted Average Useful Life 7 years    
Intangible assets $ 19.8    
Veriti Security Ltd [Member] | Customer Relationships [Member]      
Business Acquisition [Line Items]      
Weighted Average Useful Life 5 years    
Intangible assets $ 12.4