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Stockholders' Equity - Preferred Stock (Details) - $ / shares
Dec. 29, 2018
Dec. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Preferred stock authorized (in shares) 10,000,000 10,000,000
Preferred stock par value (in USD per share) $ 0.001 $ 0.001
Preferred Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Preferred stock authorized (in shares) 10,000,000  
Preferred stock par value (in USD per share) $ 0.001