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Goodwill and Intangible Assets - Narrative (Details)
 3 Months Ended 12 Months Ended
Jan. 12, 2023
Jan. 26, 2025
USD ($)
Jan. 28, 2024
USD ($)
Jan. 26, 2025
USD ($)
segment
reporting_unit
Jan. 28, 2024
USD ($)
segment
Jan. 29, 2023
USD ($)
Goodwill [Line Items]            
Number of operating segments | segment       3 4  
Number of reporting units | reporting_unit       6    
Goodwill   $ 533,091,000 $ 541,227,000 $ 533,091,000 $ 541,227,000  
Impairment of goodwill       7,490,000 755,621,000 $ 0
Estimated useful life 5 years 3 months 18 days          
Intangible impairment       0 131,385,000 0
Net Carrying Amount   24,867,000 33,651,000 24,867,000 33,651,000  
Developed technology            
Goodwill [Line Items]            
Estimated useful life 4 years 4 months 24 days          
Intangible impairment     91,800,000      
Net Carrying Amount   18,922,000 28,063,000 18,922,000 28,063,000  
Customer relationships            
Goodwill [Line Items]            
Estimated useful life 7 years 10 months 24 days          
Intangible impairment     34,800,000      
Net Carrying Amount   3,610,000 4,104,000 3,610,000 4,104,000  
Trade name            
Goodwill [Line Items]            
Estimated useful life 6 years 2 months 12 days          
Net Carrying Amount   1,059,000   1,059,000    
Trade name            
Goodwill [Line Items]            
Intangible impairment     4,800,000      
Net Carrying Amount   1,059,000 1,484,000 1,059,000 1,484,000  
IoT Systems and Connectivity | Operating Segments            
Goodwill [Line Items]            
Goodwill   182,785,000 190,921,000 182,785,000 190,921,000  
Impairment of goodwill       7,490,000    
Signal Integrity | Operating Segments            
Goodwill [Line Items]            
Goodwill   267,205,000 $ 267,205,000 267,205,000 267,205,000  
Impairment of goodwill       $ 0    
IoT Connected Services            
Goodwill [Line Items]            
Impairment of goodwill         209,000,000  
IoT System, Modules            
Goodwill [Line Items]            
Impairment of goodwill   $ 7,500,000     245,200,000  
IoT System, Routers            
Goodwill [Line Items]            
Impairment of goodwill         $ 301,400,000  
Discontinued Operations, Disposed of by Sale | Micross Components, Inc.            
Goodwill [Line Items]            
Reduction to goodwill           $ 800,000