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STOCK OPTIONS (Details)
3 Months Ended 9 Months Ended
Jun. 29, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
Jun. 29, 2019
USD ($)
plan
$ / shares
shares
Jun. 30, 2018
USD ($)
STOCK OPTIONS (Details) [Line Items]        
Number of stock option plans | plan     2  
Grants in period, gross (in shares) | shares 19,500   34,000,000  
Granted exercise price (in USD per share) | $ / shares $ 12.04   $ 19.79  
Purchase and retirement of treasury shares (in shares) | shares 11,774      
Compensation paid | $     $ 1,000,000  
Stock-based compensation | $ $ 65,000 $ 0 89,000 $ 0
Unrecognized compensation | $ $ 77,000   $ 77,000  
Unrecognized compensation, period for recognition     4 years  
Employee Stock Option        
STOCK OPTIONS (Details) [Line Items]        
Expiration period     10 years  
Risk free interest rate, minimum     2.50%  
Risk free interest rate, maximum     2.60%  
Volatility rate     30.60%  
Dividend yield     5.10%  
Expected term     10 years  
2010 Plan        
STOCK OPTIONS (Details) [Line Items]        
Grants in period, gross (in shares) | shares 23,000      
Granted exercise price (in USD per share) | $ / shares $ 19.61      
Grant date fair value (in USD per share) | $ / shares $ 3.48      
Grant date, fair value | $ $ 80,000      
2016 Plan        
STOCK OPTIONS (Details) [Line Items]        
Grants in period, gross (in shares) | shares 11,000      
Granted exercise price (in USD per share) | $ / shares $ 20.18      
Grant date fair value (in USD per share) | $ / shares $ 3.55      
Grant date, fair value | $ $ 39,000      
Share-based Compensation Award, Tranche One | 2010 Plan | Employee Stock Option        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 50.00%      
Share-based Compensation Award, Tranche One | 2016 Plan | Employee Stock Option        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 25.00%      
Share-based Compensation Award, Tranche Two | 2010 Plan | Employee Stock Option        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 50.00%      
Share-based Compensation Award, Tranche Two | 2016 Plan | Employee Stock Option        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 25.00%      
Share-based Compensation Award, Tranche Three | 2016 Plan        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 25.00%      
Share-based Compensation Award, Tranche Four | 2016 Plan        
STOCK OPTIONS (Details) [Line Items]        
Exercisable percentage, grant date 25.00%