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Stockholders' Equity and Stock-Based Compensation - Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Activity for RSUs [Roll Forward]    
Number of units Beginning balance (in shares) 713,243 563,337
Number of units, Granted (in shares) 476,667 506,459
Number of units, Released (in shares) (315,872) (237,520)
Number of units, Cancelled (in shares) (54,253) (119,033)
Number of units, Ending balance (in shares) 819,785 713,243
Weighted Average Fair Value for RSUs [Roll Forward]    
Weighted Average Fair Value, Beginning balance (in dollars per share) $ 15.99 $ 17.90
Weighted Average Fair Value, Granted (in dollars per share) 17.45 15.62
Weighted Average Fair Value, Released (in dollars per share) 16.05 16.59
Weighted Average Fair Value, Cancelled (in dollars per share) 16.29 16.59
Weighted Average Fair Value, Ending balance (in dollars per share) $ 16.79 $ 15.99