v3.7.0.1
Stockholders’ Equity - Share Based Compensation Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share price (usd per share) $ 12.51  
Time-Based Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock units granted (shares) 300,000  
Performance-Based Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock units granted (shares) 400,000 500,000
Award vesting period 3 years  
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock units granted (shares) 666,000 600,000
Purchase price for vested RSUs (usd per share) $ 0.001  
Weighted average grant date fair value, vested RSUs (usd per share) $ 7.07  
Total fair value of vested RSUs $ 1.1  
Unrecognized compensation cost $ 13.3  
Unrecognized compensation cost, period for recognition 2 years 8 months 17 days  
Employee Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options granted (shares) 681,000 1,300,000
Weighted average exercise price (usd per share) $ 11.99 $ 6.70
The aggregate fair value of the options vested $ 1.5  
Unrecognized compensation cost $ 6.6  
Unrecognized compensation cost, period for recognition 3 years 1 month 1 day  
Total shares of common stock reserved for future issuance 14,086,000  
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Intrinsic value of options exercised and RSUs vested $ 2.9  
2014 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total shares of common stock reserved for future issuance 3,004,000