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NET INCOME (LOSS) PER SHARE - Net Income and Diluted Common Shares (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Earnings Per Share [Abstract]      
Net income (loss) $ (141,841) $ 63,073 $ 65,754
Weighted average number of common shares used in basic net income (loss) per common share 35,365 38,778 39,985
Dilutive effect of non-vested restricted stock 0 401 290
Weighted average number of common shares used in diluted net income (loss) per common share 35,365 39,179 40,275
Net income (loss) per common share:      
Basic (in dollars per share) $ (4.01) $ 1.63 $ 1.64
Diluted (in dollars per share) $ (4.01) $ 1.61 $ 1.63
Anti-dilutive shares 894 225 538