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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 28, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Stock Option Activity | A summary of stock option activity for the 13 weeks ended March 28, 2021 is as follows:
Options |  | Shares (Thousands) |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value (Thousands) |  |  | Weighted Average Remaining Term (Years) |
Outstanding—December 27, 2020 |  |  | 1,233 |  |  | $ | 10.68 |  |  | $ | — |  |  |  | 2.49 |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Canceled |  |  | (307 | ) |  |  | 12.61 |  |  |  |  |  |  |  |  |
Outstanding—March 28, 2021 |  |  | 926 |  |  |  | 10.04 |  |  | $ | — |  |  |  | 1.81 |
Exercisable—March 28, 2021 |  |  | 922 |  |  | $ | 10.03 |  |  | $ | — |  |  |  | 1.79 |
Summary of RSU Activity | A summary of RSU activity for the 13 weeks ended March 28, 2021 is as follows:
RSUs |  | Number of RSUs (Thousands) |  |  | Weighted Average Fair Value per Share |
Non-vested as of December 27, 2020 |  |  | 994 |  |  | $ | 3.35 |
Granted |  |  | 179 |  |  |  | 5.60 |
Vested |  |  | (22 | ) |  |  | 6.02 |
Canceled |  |  | (13 | ) |  |  | — |
Non-vested as of March 28, 2021 |  |  | 1,138 |  |  | $ | 3.59 |
Summary of PSU Activity | A summary of activity for PSUs with market vesting conditions for the 13 weeks ended March 28, 2021 is as follows:
PSUs |  | Number of PSUs (Thousands) |  |  | Weighted Average Fair Value per Share |
Non-vested as of December 27, 2020 |  |  | 502 |  |  |  | 1.38 |
Granted |  |  | — |  |  |  | — |
Vested |  |  | (41 | ) |  |  | 5.66 |
Canceled |  |  | — |  |  |  | — |
Non-vested as of March 28, 2021 |  |  | 461 |  |  | $ | 1.37 |

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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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