v3.25.4

Note 10 - Stock-based Compensation Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 28, 2024 | Jan. 03, 2026 | Dec. 28, 2024 | Dec. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  | 4 years |  |
Share-Based Payment Arrangement, Expense, Tax Benefit |  | $ 8,500 | $ 6,300 | $ 7,600
Share-Based Payment Arrangement, Expense |  | 115,613 | $ 52,985 | 70,197
Awards Vested or Exercised [Member] |  |  |  |
Share-Based Payment Arrangement, Exercise and Vesting of Awards, Tax Benefit |  | $ 1,700 |  | $ 10,400
Employee Stock Purchase Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) |  | $ 18.3 | $ 15.5 | $ 24.38
Share-Based Payment Arrangement, Expense |  | $ 2,300 | $ 1,800 | $ 2,200
Restricted Stock [Member] |  |  |  |
Share-Based Payment Arrangement, Expense |  | 70,200 | $ 51,800 | $ 41,500
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount |  | $ 162,900 |  |
Restricted Stock [Member] | Executive Officer [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 75.00% |
Restricted Stock Units (RSUs) [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) |  | $ 51.54 |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  | 75.00% |  | 75.00%
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  |  | 3 years | 13 months
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  | 100.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  | 55.00% |  | 200.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions, Exceeded |  | 134.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  | 0.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  | 25.00% |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year) |  |  | 6 years |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  | 3 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  | 116.30% |  |
Performance Shares [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  |  | 13 months |
Awards Granted in 2022 and 2021 [Member] | Executive Officer [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 97.00% |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 54.00% |
Awards Granted in 2022 and 2021 [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved | 116.30% |  |  |
Awards with Market Condition or Performance Condition [Member] |  |  |  |
Share-Based Payment Arrangement, Expense |  | $ 43,100 | $ 28,400 | $ 26,400
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount |  | $ 66,200 |  |
Share-Based Payment Arrangement, Benefit From Forfeitures |  |  | $ 29,000 |
Minimum [Member] | Restricted Stock [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 200.00% |
Minimum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  |  | 200.00%
Minimum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  | 200.00% |  |
Minimum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  | 25.00% |  |
Minimum [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percentage, Award Vesting Rights |  |  | 25.00% |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Sock Price Appreciation |  |  | 25.00% |
Minimum [Member] | Awards Granted in 2022 and 2021 [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  |  | 13 months |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 200.00% |
Maximum [Member] | Restricted Stock [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 250.00% |
Maximum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  |  | 250.00%
Maximum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  | 250.00% |  |
Maximum [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  | 75.00% |  |
Maximum [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percentage, Award Vesting Rights |  |  | 250.00% |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Sock Price Appreciation |  |  | 200.00% |
Maximum [Member] | Performance Shares [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percentage, Award Vesting Rights |  |  | 250.00% |
The2012 ESPP [Member] |  |  |  |
Share-based Compensation Arrangement By Share-based Payment Award, Maximum, Annual Contribution Per Employee, Percent |  | 10.00% |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent |  | 85.00% |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) |  | 0.7 |  |
The2012 ESPP [Member] | Minimum [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent |  | 85.00% |  |
The 2023 Equity Incentive Plan and the 2011 Non-Employee Director Equity Incentive Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) |  | 4.9 |  |
The 2025 Inducement Equity Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) |  | 1.3 |  |

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- Definition The percentage of market condition achieved for awards to vest under share based payment arrangement that was exceeded. + References No definition available. + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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