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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 28, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Performance-Based Restricted Stock Units Activity | PRU activity for the year ended December 28, 2020 was as follows:
|  | Shares |  |  | Weighted Average Fair Value |
|  | (In thousands) |  |  |  |  |
Outstanding shares as of December 30, 2019 |  |  | 216 |  |  | $ | 12.14 |
Granted |  |  | 303 |  |  |  | 10.57 |
Vested |  |  | (137 | ) |  |  | 12.82 |
Forfeited / cancelled |  |  | (22 | ) |  |  | 10.89 |
Change in units due to annual performance achievement |  |  | (71 | ) |  |  | 12.12 |
Outstanding shares as of December 28, 2020 |  |  | 289 |  |  | $ | 10.27 |
Assumptions Used in Determining Fair Value | For the years ended December 28, 2020, December 30, 2019 and December 31, 2018, the following assumptions were used in determining the fair value:
|  | For the Year Ended |
|  | December 28, 2020 (1) |  |  | December 30, 2019 (2) |  |  | December 31, 2018 (3) |
Weighted-average fair value |  | $ | 10.57 |  |  | $ | 10.17 |  |  | $ | 19.59 |
Risk-free interest rate |  |  | 0.18 | % |  |  | 2.18 | % |  |  | 2.14 | %
Dividend yield |  |  | — |  |  |  | — |  |  |  | — |
Expected volatility |  |  | 49 | % |  |  | 38 | % |  |  | 40 | %
(1) | Reflects the weighted-averages for the third year of the three-year performance period applicable to PRUs granted in 2018, the second year of the three-year performance period applicable to PRUs granted in 2019 and the first year of the three-year performance period applicable to PRUs granted in 2020.
(2) | Reflects the weighted-averages for the third year of the three-year performance period applicable to PRUs granted in 2017, the second year of the three-year performance period applicable to PRUs granted in 2018 and the first year of the three-year performance period applicable to PRUs granted in 2019.
(3) | Reflects the weighted-averages for the third year of the three-year performance period applicable to PRUs granted in 2016, the second year of the three-year performance period applicable to PRUs granted in 2017 and the first year of the three-year performance period applicable to PRUs granted in 2018.
Restricted Stock Units Activity | RSU activity for the year ended December 28, 2020 was as follows:
|  | Shares |  |  | Weighted Average Grant-Date Fair Value |
|  | (In thousands) |  |  |  |  |
Non-vested RSUs outstanding as of December 30, 2019 |  |  | 2,527 |  |  | $ | 11.91 |
Granted |  |  | 1,474 |  |  |  | 11.20 |
Vested |  |  | (1,141 | ) |  |  | 11.48 |
Forfeited |  |  | (294 | ) |  |  | 11.42 |
Non-vested RSUs outstanding as of December 28, 2020 |  |  | 2,566 |  |  | $ | 11.20 |
Vested and expected to vest through 2023 as of December 28, 2020 |  |  | 3,121 |  |  | $ | 11.15 |
Amounts Recognized in Consolidated Financial Statements of Operations with Respect to Stock Based Compensation Plan | For the years ended December 28, 2020, December 30, 2019 and December 31, 2018, the amounts recognized in the consolidated statements of operations with respect to the stock-based compensation plan are as follows:
|  | For the Year Ended |
|  | December 28, |  |  | December 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (In thousands) |
Cost of goods sold |  | $ | 3,889 |  |  | $ | 3,148 |  |  | $ | 2,893 |
Selling and marketing |  |  | 1,919 |  |  |  | 1,887 |  |  |  | 1,902 |
General and administrative |  |  | 10,083 |  |  |  | 11,568 |  |  |  | 15,676 |
Research and development |  |  | 182 |  |  |  | 213 |  |  |  | 210 |
Stock-based compensation expense recognized |  | $ | 16,073 |  |  | $ | 16,816 |  |  | $ | 20,681 |
Summary of Unrecognized Compensation Costs | The following is a summary of total unrecognized compensation costs as of December 28, 2020:
|  | Unrecognized Stock-Based Compensation Cost |  |  | Remaining Weighted Average Recognition Period |
|  | (In thousands) |  |  | (In years) |
RSU awards |  | $ | 20,663 |  |  |  | 1.4 |
PRU awards |  |  | 1,898 |  |  |  | 1.6 |
Stock options |  |  | 131 |  |  |  | 1.2 |
|  | $ | 22,692 |  |  |  |  |

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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding performance-based awards that are fully vested and expected to vest. Includes, but is not limited to, unvested awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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