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STOCK BASED COMPENSATION - RSUs (Details) - shares
12 Months Ended
Feb. 13, 2019
Oct. 25, 2018
Dec. 29, 2018
Restricted stock units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
RSUs outstanding     7,000
RSUs granted     7,000
Restricted stock units (RSUs) | Board of Directors      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted (in shares)     6,666
RSUs granted 2,948    
Deferred stock units (DSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted (in shares)   13,388  
2012 Plan | Restricted stock units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Period in which the common stock be delivered to grantee once RSUs become nonforfeitables     30 days
RSUs granted     385,241
RSUs granted as replacement awards     104,411