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CASH FLOW INFORMATION - Stock-Based Compensation (Details) - 2015 EIP Plan - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Feb. 25, 2020
Mar. 04, 2019
Feb. 27, 2018
Mar. 31, 2020
Restricted Stock Units        
Non-cash investing and financing activities        
Granted (in shares) 173,749 106,079   177,911
Aggregate fair value $ 1,227 $ 890    
Vested (in shares)       50,332
Stock Options        
Non-cash investing and financing activities        
Options to purchase (in shares) 344,568 240,540 122,608 344,568
Exercise price $ 7.06 $ 8.39   $ 7.06
Aggregate fair value $ 693 $ 904 $ 926