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Stockholders' Equity - Summary of Options Outstanding (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares (in shares) 730      
Weighted-average exercise price (in usd per share) $ 8.41 $ 8.09 $ 8.11 $ 8.30
Vested and exercisable, number of shares (in shares) 730      
$6.99 - $ 7.25        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price upper limit (in usd per share) $ 6.99      
Exercise price lower limit (in usd per share) $ 7.25      
Number of shares (in shares) 48      
Weighted-average remaining contractual life 1 year 4 months 24 days      
Weighted-average exercise price (in usd per share) $ 7.03      
Vested and exercisable, number of shares (in shares) 48      
Vested and exercisable options, weighted average exercise price (in usd per share) $ 7.03      
$ 7.53        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price upper limit (in usd per share) 7.53      
Exercise price lower limit (in usd per share) $ 7.53      
Number of shares (in shares) 35      
Weighted-average remaining contractual life 1 year 4 months 2 days      
Weighted-average exercise price (in usd per share) $ 7.53      
Vested and exercisable, number of shares (in shares) 35      
Vested and exercisable options, weighted average exercise price (in usd per share) $ 7.53      
$ 8.01        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price upper limit (in usd per share) 8.01      
Exercise price lower limit (in usd per share) $ 8.01      
Number of shares (in shares) 93      
Weighted-average remaining contractual life 10 months 13 days      
Weighted-average exercise price (in usd per share) $ 8.01      
Vested and exercisable, number of shares (in shares) 93      
Vested and exercisable options, weighted average exercise price (in usd per share) $ 8.01      
$ 8.58        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price upper limit (in usd per share) 8.58      
Exercise price lower limit (in usd per share) $ 8.58      
Number of shares (in shares) 485      
Weighted-average remaining contractual life 1 year 18 days      
Weighted-average exercise price (in usd per share) $ 8.58      
Vested and exercisable, number of shares (in shares) 485      
Vested and exercisable options, weighted average exercise price (in usd per share) $ 8.58      
$9.02 - $9.28        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price upper limit (in usd per share) 9.02      
Exercise price lower limit (in usd per share) $ 9.28      
Number of shares (in shares) 69      
Weighted-average remaining contractual life 3 days      
Weighted-average exercise price (in usd per share) $ 9.19      
Vested and exercisable, number of shares (in shares) 69      
Vested and exercisable options, weighted average exercise price (in usd per share) $ 9.19