Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Common Stock (Details)

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Stockholders' Equity and Share-Based Compensation - Common Stock (Details) - shares
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized (in shares) 100,000,000 100,000,000  
Shares of common stock issued from option exercises (in shares) 1,074,000 442,000  
Shares of common stock issued from restricted stock units (in shares) 1,445,000 1,000,000  
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized (in shares) 100,000,000    
Shares of common stock issued from option exercises (in shares) 1,074,000 442,000 301,000
Issuance of common stock in connection with service fees (in shares) 3,000 3,000 2,000
Employee Stock Option | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock issued from option exercises (in shares) 1,074,000    
Restricted Stock Units | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock issued from restricted stock units (in shares) 592,000    
Non-Employee Member Of The Board Of Directors | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock in connection with service fees (in shares) 3,000