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NET INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 26, 2022
Jun. 27, 2021
Jun. 26, 2022
Jun. 27, 2021
Earnings Per Share [Abstract]        
Net income $ 24,013 $ 15,884 $ 34,532 $ 22,782
Weighted average number of common shares used in basic net income per common share (in shares) 32,707 34,818 33,318 34,746
Dilutive effect of non-vested stock-based awards (in shares) 442 534 514 459
Weighted average number of common shares used in diluted net income per common share 33,149 35,352 33,832 35,205
Net income per common share:        
Basic (in dollars per share) $ 0.73 $ 0.46 $ 1.04 $ 0.66
Diluted (in dollars per share) $ 0.72 $ 0.45 $ 1.02 $ 0.65
Anti-dilutive shares (in shares) 322 26 457 54