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Note 13 Additional Information (Details) - shares
3 Months Ended 12 Months Ended
Jan. 02, 2021
Oct. 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted 824,000  
Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted 373,000 304,500
Performance Shares | Q1 FY20 Grants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential adjustment to PSUs 15.00%  
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting Period 1 year  
Minimum [Member] | Performance Shares | Q1 FY20 Grants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential Payout Percentage 80.00%  
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting Period 4 years  
Maximum [Member] | Performance Shares | Q1 FY20 Grants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential Payout Percentage 120.00%