v3.25.3
Acquisitions - Additional Information (Details)
 9 Months Ended 12 Months Ended
Sep. 26, 2025
USD ($)
reporting_unit
Sep. 12, 2025
USD ($)
reporting_unit
Nov. 20, 2024
USD ($)
Mar. 26, 2024
USD ($)
Oct. 31, 2025
USD ($)
reporting_unit
Jan. 31, 2025
USD ($)
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Goodwill         $ 1,352,927,000 $ 912,805,000
Number of reporting units | reporting_unit         1  
Minimum            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Estimated economic lives         2 years  
Maximum            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Estimated economic lives         20 years  
Developed technology            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Weighted-average remaining useful life         56 months 55 months
Pangea Cyber Corporation            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Voting equity interest acquired (as a percent) 100.00%          
Equity consideration for acquisitions $ 212,100,000          
Cash acquired from acquisition 9,400,000          
Fair value of replacement equity awards 300,000          
Business combination, consideration transferred, liabilities incurred $ 10,300,000          
Escrow release period 1 year          
Estimated economic lives 72 months          
Fair value $ 13,200,000          
Net tangible assets acquired 700,000          
Goodwill $ 210,200,000          
Number of reporting units | reporting_unit 1          
Acquisition costs         $ 2,800,000  
Onum Technology, Inc.            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Voting equity interest acquired (as a percent)   100.00%        
Equity consideration for acquisitions   $ 251,800,000        
Cash acquired from acquisition   15,200,000        
Fair value of replacement equity awards   2,000,000.0        
Fair value   21,400,000        
Net tangible assets acquired   400,000        
Goodwill   $ 232,000,000.0        
Number of reporting units | reporting_unit   1        
Acquisition costs         3,900,000  
Onum Technology, Inc. | Developed technology            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Fair value   $ 20,600,000        
Weighted-average remaining useful life   84 months        
A.S. Adaptive Shield Ltd.            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Voting equity interest acquired (as a percent)     100.00%      
Equity consideration for acquisitions     $ 213,700,000      
Cash acquired from acquisition     13,700,000      
Fair value of replacement equity awards     700,000      
Fair value     31,100,000      
Net tangible assets acquired     7,700,000      
Goodwill     191,000,000.0      
Acquisition costs         $ 0  
A.S. Adaptive Shield Ltd. | Developed technology            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Fair value     $ 23,600,000      
Weighted-average remaining useful life     72 months      
Flow Security            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Voting equity interest acquired (as a percent)       100.00%    
Equity consideration for acquisitions       $ 96,400,000    
Cash acquired from acquisition       800,000    
Fair value of replacement equity awards       500,000    
Fair value       13,500,000    
Net tangible assets acquired       600,000    
Goodwill       $ 84,000,000.0    
Flow Security | Developed technology            
Intangible Asset, Acquired, Finite-Lived [Line Items]            
Weighted-average remaining useful life       72 months