EARNINGS PER SHARE (Schedule of Earnings Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended							6 Months Ended	12 Months Ended
	Mar. 30, 2019	Dec. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Sep. 29, 2018	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017
Basic EPS
Net income (loss)	$ 20,835	$ 18,277	$ (2,819)	$ 11,880	$ (6,547)	$ 20,102	$ 20,137	$ 18,726	$ 55,019	$ 45,572	$ (26,268)
Basic weighted average shares (in shares)									51,533	52,755	51,524
Basic income (loss) per share (in dollars per share)	$ 0.41	$ 0.36	$ (0.05)	$ 0.22	$ (0.12)	$ 0.38	$ 0.38	$ 0.36	$ 1.07	$ 0.86	$ (0.51)
Diluted EPS
Net income (loss)	$ 20,835	$ 18,277	$ (2,819)	$ 11,880	$ (6,547)	$ 20,102	$ 20,137	$ 18,726	$ 55,019	$ 45,572	$ (26,268)
Basic weighted average shares (in shares)									51,533	52,755	51,524
Net effect of common stock equivalents (in shares)									1,409	746	0
Diluted weighted average shares (in shares)									52,942	53,501	51,524
Diluted income (loss) per share (in dollars per share)	$ 0.40	$ 0.35	$ (0.05)	$ 0.22	$ (0.12)	$ 0.38	$ 0.38	$ 0.35	$ 1.04	$ 0.85	$ (0.51)
Anti-dilutive shares (in shares)									200	400