EARNINGS PER SHARE ("EPS") (Schedule of Earnings Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 27, 2020	Dec. 28, 2019	Jun. 29, 2019	Dec. 29, 2018
Basic EPS
Net income (loss)	$ 10,527	$ 10,527	$ (8,479)	$ (8,479)
Weighted average shares (in shares)	50,418		51,010
Basic income (loss) per share (in dollars per share)	$ 0.21		$ (0.17)
Diluted EPS
Net income (loss)	$ 10,527	$ 10,527	$ (8,479)	$ (8,479)
Net effect of common stock equivalents (in shares)	829		0
Diluted weighted average shares (in shares)	51,247		51,010
Diluted income (loss) per share (in dollars per share)	$ 0.21		$ (0.17)
Anti-dilutive shares (in shares)	500