EARNINGS PER SHARE (Schedule of Earnings Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Basic EPS
Net income	$ 17,624	$ 29,895	$ 37,486	$ (8,479)	$ 20,835	$ 18,277	$ 18,726	$ (2,819)	$ 76,526	$ 55,019	$ 45,572
Basic weighted average shares (in shares)									50,692	51,533	52,755
Basic income (loss) per share (in dollars per share)	$ 0.35	$ 0.59	$ 0.74	$ (0.17)	$ 0.41	$ 0.36	$ 0.36	$ (0.05)	$ 1.51	$ 1.07	$ 0.86
Diluted EPS
Net income	$ 17,624	$ 29,895	$ 37,486	$ (8,479)	$ 20,835	$ 18,277	$ 18,726	$ (2,819)	$ 76,526	$ 55,019	$ 45,572
Basic weighted average shares (in shares)									50,692	51,533	52,755
Net effect of common stock equivalents (in shares)									1,123	1,409	746
Diluted weighted average shares (in shares)									51,815	52,942	53,501
Diluted income (loss) per share (in dollars per share)	$ 0.34	$ 0.58	$ 0.72	$ (0.17)	$ 0.40	$ 0.35	$ 0.35	$ (0.05)	$ 1.48	$ 1.04	$ 0.85
Anti-dilutive shares (in shares)									200	200	400