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Stockholders' Equity - Summary of Company's Equity Award Activity - PSUs (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Weighted-Average Grant Date Fair Value Per Share      
Weighted-average grant date fair value per share, released (in usd per share)     $ 11.83
Performance stock units      
Number of Performance Stock Units      
Number of restricted/performance stock units, beginning balance (in shares) 1,129 1,367 904
Number of shares available for grant cost (in shares) 2,202 521 916
Number of restricted/performance stock units, released (in shares) (99) (55) (26)
Number of restricted/performance stock units, canceled (in shares) (727) (704) (427)
Number of restricted/performance stock units, ending balance (in shares) 2,505 1,129 1,367
Expected to vest as of December 28, 2019 (in shares) 2,392    
Weighted-Average Grant Date Fair Value Per Share      
Weighted-average grant date fair value per share, beginning balance (in usd per share) $ 16.10 $ 16.28 $ 14.13
Weighted-average grant date fair value per share, granted (in usd per share) 4.63 9.79 10.88
Weighted-average grant date fair value per share, released (in usd per share) 11.11 15.93  
Weighted-average grant date fair value per share, canceled (in usd per share) 14.42 16.01 12.20
Weighted-average grant date fair value per share, ending balance (in usd per share) $ 6.48 $ 16.10 $ 16.28
Aggregate Intrinsic Value      
Aggregate intrinsic value , beginning balance $ 4,425 $ 8,651 $ 7,672
Aggregate intrinsic value , PSUs released 472 411 225
Aggregate intrinsic value , ending balance 19,485 $ 4,425 $ 8,651
Aggregate Intrinsic Value, Expected to vest as of December 28, 2019 $ 18,613