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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 03, 2021 | Mar. 28, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Compensation cost | $ 5,220 | $ 4,358
Stock options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized Compensation Expense | $ 1,037 |
Weighted-Average Remaining Service Period (years) | 10 months 24 days |
Restricted stock units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Fair value | $ 15,707 | 5,777
Unrecognized Compensation Expense | $ 10,334 |
Weighted-Average Remaining Service Period (years) | 1 year 3 months 18 days |
Performance stock units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Fair value | $ 6,013 | $ 5,777
Unrecognized Compensation Expense | $ 6,761 |
Weighted-Average Remaining Service Period (years) | 1 year 4 months 24 days |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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