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LEASES (Narrative) (Details)
$ in Thousands
 12 Months Ended
Oct. 02, 2020
USD ($)
contract
Oct. 01, 2021
USD ($)
Oct. 02, 2020
USD ($)
Sep. 28, 2019
USD ($)
Lessee, Lease, Description [Line Items]        
Total operating lease liabilities $ 41,518 $ 49,994 $ 41,518  
Right of use assets $ 40,666 49,032 40,666  
Number of contracts | contract 200      
Lessee, operating lease, lease not yet commenced, liability   14,000    
Relater parties        
Lessee, Lease, Description [Line Items]        
Total operating lease liabilities   5,871    
Operating lease, cost   $ 1,043 $ 1,028  
Minimum        
Lessee, Lease, Description [Line Items]        
Remaining lease term   1 year    
Maximum        
Lessee, Lease, Description [Line Items]        
Remaining lease term   15 years    
Accounting standards update 2016-02        
Lessee, Lease, Description [Line Items]        
Total operating lease liabilities       $ 41,000
Right of use assets       $ 41,000