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EARNINGS PER SHARE (Narrative) (Details) - shares
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Stock options    
Earnings per share [line items]    
Shares excluded from calculation of earnings per share (in shares) 282,737 1,462,933
Treasury RSUs    
Earnings per share [line items]    
Shares excluded from calculation of earnings per share (in shares) 7,500 0