Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity for AutoMD (Details)

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Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity for AutoMD (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Granted (in shares) 1,230,000  
Forfeited (in shares) (250,000)  
AMD Plan    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Options outstanding, beginning balance (in shares) 180,000  
Granted (in shares) 1,060,000  
Exercised (in shares) 0  
Expired (in shares) 0  
Forfeited (in shares) 0  
Options outstanding, ending balance (in shares) 1,240,000  
Vested and expected to vest, ending balance (in shares) 916,000  
Options exercisable, ending balance (in shares) 0 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Options outstanding, weighted average exercise price, beginning balance (in dollars per share) $ 1.00  
Granted, weighted average exercise price (in dollars per share) 1.00  
Exercised, weighted average exercise price (in dollars per share) 0.00  
Expired, weighted average exercise price (in dollars per share) 0.00  
Forfeited, weighted average exercise price (in dollars per share) 0.00  
Options outstanding, weighted average exercise price, ending balance (in dollars per share) 1.00  
Vested and expected to vest, weighted average exercise price ending balance (in dollars per share) 1.00  
Options exercisable, weighted average exercise price, ending balance (in dollars per share) $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Options outstanding, weighted average remaining contractual term (in years) 9 years 3 months 29 days  
Vested and expected to vest, weighted average remaining contractual term (in years) 9 years 3 months 29 days  
Options exercisable, weighted average remaining contractual term (in years) 0 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested and expected to vest, aggregate intrinsic value 0  
Options exercisable, aggregate intrinsic value $ 0