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Note 10 - Stock-based Compensation Plans (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 28, 2024
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   4 years    
Share-Based Payment Arrangement, Expense, Tax Benefit   $ 6,300 $ 7,600  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount     0  
Share-Based Payment Arrangement, Expense   52,985 70,197 $ 55,530
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value   $ 22,900 37,300 24,300
Share-Based Payment Arrangement, Option [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)   10 years    
Share-Based Payment Arrangement, Expense   $ 0 0 $ 0
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)   $ 15.5 $ 24.38 $ 15.25
Share-Based Payment Arrangement, Expense   $ 1,800 $ 2,200 $ 1,500
Restricted Stock [Member]        
Share-Based Payment Arrangement, Expense   51,800 $ 41,500 $ 30,100
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount   $ 155,600    
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 [Member] | Minimum [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%    
Restricted Stock [Member] | Maximum [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%    
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)   $ 60.74    
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [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 Requisite Service Period (Year)   6 years    
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, Award Vesting Period (Year)   3 years    
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)     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% 75.00%
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] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Five [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions       40.00%
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Six [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions       70.00%
Restricted Stock Units (RSUs) [Member] | Minimum [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%    
Restricted Stock Units (RSUs) [Member] | Minimum [Member] | Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved     200.00%  
Restricted Stock Units (RSUs) [Member] | Minimum [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%    
Restricted Stock Units (RSUs) [Member] | Minimum [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%
Restricted Stock Units (RSUs) [Member] | Minimum [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%    
Restricted Stock Units (RSUs) [Member] | Maximum [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%    
Restricted Stock Units (RSUs) [Member] | Maximum [Member] | Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved     250.00%  
Restricted Stock Units (RSUs) [Member] | Maximum [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%    
Restricted Stock Units (RSUs) [Member] | Maximum [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%
Restricted Stock Units (RSUs) [Member] | Maximum [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%    
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    
Performance Shares [Member] | Maximum [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%    
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 Granted in 2022 and 2021 [Member] | Minimum [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%    
Awards with Market Condition or Performance Condition [Member]        
Share-Based Payment Arrangement, Expense   $ 28,400 $ 26,400 $ 24,000
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount   54,400    
Share-Based Payment Arrangement, Benefit From Forfeitures   $ 29,000    
The 2013 Incentive Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   0    
The2012 ESPP [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   800    
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%    
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)   6,900