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Acquisition - Redpine Signals (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 28, 2020
Jul. 04, 2020
Dec. 28, 2019
Purchase price allocation      
Goodwill   $ 631,932 $ 398,402
Developed technology      
Purchase price allocation      
Weighted-Average Amortization Period (Years) 8 years    
Customer relationships      
Purchase price allocation      
Weighted-Average Amortization Period (Years) 2 years    
Trademarks      
Purchase price allocation      
Weighted-Average Amortization Period (Years) 2 years    
Wi-Fi and Bluetooth technology      
Purchase price allocation      
Discount rate applicable to the projected cash flows (as a percent) 13.80%    
Redpine Signals      
Purchase price allocation      
Intangible assets $ 76,538    
Accounts receivable 1,395    
Inventory 4,375    
Other current assets 1,251    
Goodwill 233,530    
Other non-current assets 673    
Current liabilities (856)    
Non-current liabilities (97)    
Total purchase price 316,809    
Revenue of acquiree since acquisition date   2,400  
Redpine Signals | Selling, general and administrative      
Purchase price allocation      
Acquisition-related costs   $ 1,500  
Redpine Signals | Developed technology      
Purchase price allocation      
Intangible assets 61,674    
Redpine Signals | Customer relationships      
Purchase price allocation      
Intangible assets 2,450    
Redpine Signals | Trademarks      
Purchase price allocation      
Intangible assets 661    
Redpine Signals | In-process research and development      
Purchase price allocation      
Intangible assets $ 11,753