XML 61 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Note 9 - Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2021
Apr. 03, 2021
Sep. 26, 2020
Mar. 28, 2020
Oct. 02, 2021
Sep. 26, 2020
Share-based Payment Arrangement, Expense $ 10,250   $ 10,488   $ 32,624 $ 30,228
Restricted Stock Units (RSUs) [Member]            
Share-based Payment Arrangement, Expense       $ 1,800    
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   3 years        
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member]            
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 $ 4,000   $ 5,600   $ 15,300 $ 16,500
Share-based Payment Arrangement, Tranche Two [Member] | Performance Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions 250.00% 200.00%        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.30%          
Share-based Payment Arrangement, Tranche Two [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   55.00%        
Share-based Payment Arrangement, Tranche Three [Member] | Performance Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions 200.00%          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage         33.30%  
Share-based Payment Arrangement, Tranche Three [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   0.00%        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved   25.00%        
Share-based Payment Arrangement, Tranche Three [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved   25.00%        
Share-based Payment Arrangement, Tranche Three [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved   75.00%        
TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions   250.00%        
TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions   200.00%        
Share-based Payment Arrangement, Tranche One [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   75.00%        
TSR Relative To PHLX Semiconductor Sector Index, 55th Percentile [Member] | Restricted Stock Units (RSUs) [Member] | Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions   100.00%