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Stockholders' Equity - Restricted Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Weighted Average Grant Date Fair Value |  |  |  |
Weighted Average Grant Date Fair Value, Granted (in USD per share) | $ 36.12 | $ 25.96 | $ 15.12 |
Stock-based compensation expense | $ 29,384 | $ 23,830 | $ 23,176 |
Performance Restricted Stock Units |  |  |  |
Number of Shares |  |  |  |
Number of Shares, Granted (in shares) | 197,128 | 258,000 | 273,000 |
Weighted Average Grant Date Fair Value |  |  |  |
Performance period | 3 years |  |  |
Stock options granted (in shares) | 197,128 | 258,000 | 273,000 |
Stock-based compensation expense | $ 8,600 | $ 6,900 | $ 4,400 |
2012 Plan |  |  |  |
Number of Shares |  |  |  |
Number of Shares, Granted (in shares) |  |  |  | 318,100
Weighted Average Grant Date Fair Value |  |  |  |
Stock options granted (in shares) |  |  |  | 318,100
2012 Plan | Maximum |  |  |  |
Weighted Average Grant Date Fair Value |  |  |  |
Total shareholder return | 12460000000.00% |  |  |
2012 Plan | Restricted stock units |  |  |  |
Number of Shares |  |  |  |
Number of Shares, Restricted stock units, beginning balance (in shares) | 2,840,922 |  |  |
Number of Shares, Granted (in shares) | 1,036,537 |  |  |
Number of Shares, Vested (in shares) | (1,517,402) |  |  |
Number of Shares, Canceled (in shares) | (193,123) |  |  |
Number of Shares, Restricted stock units, ending balance (in shares) | 2,166,934 | 2,840,922 |  |
Weighted Average Grant Date Fair Value |  |  |  |
Weighted Average Grant Date Fair Value, Restricted stock units, beginning balance (in USD per share) | $ 19.80 |  |  |
Weighted Average Grant Date Fair Value, Granted (in USD per share) | 36.12 |  |  |
Weighted Average Grant Date Fair Value, Vested (in USD per share) | 17.26 |  |  |
Weighted Average Grant Date Fair Value, Canceled (in USD per share) | 28.28 |  |  |
Weighted Average Grant Date Fair Value, Restricted stock units, ending balance (in USD per share) | $ 28.63 | $ 19.80 |  |
Stock options granted (in shares) | 1,036,537 |  |  |

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