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Note 11 - Stock Ownership Plans (Tables)
12 Months Ended
Sep. 27, 2020
Notes Tables  
Share-based Payment Arrangement, Option, Activity [Table Text Block]

(Thousands of Shares)

 

2020

  

2019

  

2018

 
             
Under option, beginning of year  809   1,100   1,271 
Exercised     (93)  (131)
Canceled  (396)  (198)  (40)

Under option, end of year

  413   809   1,100 
Exercisable, end of year  413   809   1,100 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

(Dollars)

 

2020

  

2019

  

2018

 
             
Exercised   2.06  1.42 
Cancelled 2.53  2.08  2.49 
Under option, end of year 1.14  1.82  1.88 
Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

(Dollars)

  

Options Outstanding

  

Options Exercisable

 

Range of

  

Number Outstanding (Thousands)

  

Weighted Average Remaining Contractual Life (Years)

  

Weighted Average Exercise Price

  

Number Exercisable (Thousands)

  

Weighted Average Exercise Price

 
                 
1 - 2  412  1.7  1.14  412  1.14 
2 - 3           
   412  1.7  1.14  412  1.14 
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

(Thousands of Shares)

 

2020

  

2019

  

2018

 
             
Outstanding, beginning of year  1,477   2,059   2,478 
Granted  720   788   587 
Vested  (605)  (1,337)  (936)
Forfeited  (42)  (33)  (70)

Outstanding, end of year

  1,550   1,477   2,059 

(Dollars)

 

2020

  

2019

  

2018

 
             
Outstanding, beginning of year 2.49  2.31  2.69 
Granted 1.62  2.18  2.33 
Vested 2.34  2.03  3.31 
Forfeited 2.44  2.13  2.85 
Outstanding, end of year 2.15  2.49  2.31