EARNINGS PER SHARE ("EPS") (Schedule of Earnings Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Sep. 26, 2020	Jun. 27, 2020	Sep. 28, 2019	Jun. 29, 2019	Sep. 26, 2020	Sep. 28, 2019
Basic EPS
Net income	$ 48,101	$ 10,527	$ 37,486	$ (8,479)	$ 58,628	$ 29,007
Weighted average shares (in shares)	50,696,000		50,791,000		50,557,000	50,901,000
Basic income (loss) per share (in dollars per share)	$ 0.95		$ 0.74		$ 1.16	$ 0.57
Diluted EPS
Net income	$ 48,101	$ 10,527	$ 37,486	$ (8,479)	$ 58,628	$ 29,007
Net effect of common stock equivalents (in shares)	397,000		1,255,000		613,000	1,273,000
Diluted weighted average shares (in shares)	51,093,000		52,046,000		51,170,000	52,174,000
Diluted income (loss) per share (in dollars per share)	$ 0.94		$ 0.72		$ 1.15	$ 0.56
Anti-dilutive shares (in shares)	800,000		12,421		600,000	200,000