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Risks and Uncertainties (Details)
$ in Millions
12 Months Ended
Dec. 28, 2019
USD ($)
item
Dec. 29, 2018
Dec. 30, 2017
Accounts receivable      
Risks and Uncertainties      
Number of notes receivable | item 2    
Accounts receivable | Other assets, net      
Risks and Uncertainties      
Notes receivable carrying value $ 1.2    
Equity method investments $ 6.7    
Accounts receivable | Customers | Edom Technology      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 17.00% 10.00%  
Accounts receivable | Customers | Arrow Electronics      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 14.00% 12.00%  
Accounts receivable | Customers | Other      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 11.00%    
Revenue | Edom Technology      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 20.00% 17.00% 19.00%
Revenue | Arrow Electronics      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 26.00% 21.00% 12.00%
Revenue | Avnet      
Risks and Uncertainties      
Concentrations of credit risk (as a percent)     14.00%