Annual report pursuant to Section 13 and 15(d)

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

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Stockholders' Equity and Share-Based Compensation - Common Stock (Detail) - shares
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized 100,000,000 100,000,000  
Shares of common stock issued from option exercises 442,000 301,000  
Series A Convertible Preferred Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock in connection with preferred stock dividends (in shares) 37,000 103,000 83,000
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized 100,000,000    
Shares of common stock issued from option exercises 442,000 301,000 144,000
Issuance of common stock in connection with preferred stock dividends (in shares) 37,000 103,000 107,000
Issuance of common stock in connection with service fees 3,000 2,000  
Common Stock | Series A Convertible Preferred Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock in connection with preferred stock dividends (in shares) 37,000    
Employee Stock Option | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock issued from option exercises 442,000    
Restricted Stock Units (RSUs) | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock issued from option exercises 439,000    
Performance Stock Units | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock issued from option exercises 10,000    
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 3,000