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Stockholders' Equity and Stock-Based Compensation - Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) [Member]
3 Months Ended
Mar. 30, 2019
$ / shares
shares
Activity for RSUs [Roll Forward]  
Number of units, Beginning balance (in shares) | shares 769,003
Number of units, Granted (in shares) | shares 99,644
Number of units, Released (in shares) | shares (107,063)
Number of units, Cancelled (in shares) | shares (22,876)
Number of units, Ending balance (in shares) | shares 738,708
Weighted Average Fair Value for RSUs [Roll Forward]  
Weighted Average Fair Value, Beginning balance (in dollars per share) | $ / shares $ 31.39
Weighted Average Fair Value, Granted (in dollars per share) | $ / shares 28.95
Weighted Average Fair Value, Released (in dollars per share) | $ / shares 23.06
Weighted Average Fair Value, Cancelled (in dollars per share) | $ / shares 30.83
Weighted Average Fair Value, Ending balance (in dollars per share) | $ / shares $ 32.28