XML 74 R56.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
LEASES (Details Textual) - USD ($)
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Lessee, Lease, Description [Line Items]      
Minimum lease payments sublease rentals $ 4,100,000    
Sublease Income (new guidance) $ 743,000    
Sublease income   $ 400,000 $ 0
Minimum      
Lessee, Lease, Description [Line Items]      
Lease term 1 year    
Maximum      
Lessee, Lease, Description [Line Items]      
Lease term 20 years