INCOME TAXES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015	Mar. 29, 2014
Income Taxes [Line Items]
Foregin source income	$ 17,248	$ (34,890)	$ 48,430
Valuation allowance	13,505	5,194	$ 8,524
Unremitted earnings	1,065	700
Tax credit carry-forward, net	$ 17,852	$ 16,191
Income tax provision	4.40%	(4.00%)	45.80%
Unremitted earnings which are not indefinitely reinvested	$ 8,400
Amount of unremitted earnings affecting tax rate	100
Undistributed foreign earnings of subsidiaries	$ 233,000
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%
Unremitted earnings	$ 330	$ 735	$ 0
(Benefit) provision for income taxes	(1,208)	2,163	14,268
Unrecognized tax benefits	3,370	2,523	7,070	$ 5,604
Unrecognized tax benefits that will impact effective tax rate	1,500	600	2,000
Unrecognized tax positions possible change in the next twelve months	1,500
Unrecognized tax benefits increases	800
Unrecognized tax benefits, increase resulting from workforce reduction	1,300
Accrued interest and penalties	200	400
Accrued interest on income tax benefit	200	$ 300	$ 300
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Valuation allowance	1,600
Operating loss carry-forwards	23,300
Tax credit carry-forward, net	15,100
Domestic Tax Authority [Member] | Excess Stock Based Compensation
Income Taxes [Line Items]
Operating loss carry-forwards	4,000
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carry-forwards	33,000
Tax credit carry-forward, net	4,200
State and Local Jurisdiction [Member] | Excess Stock Based Compensation
Income Taxes [Line Items]
Operating loss carry-forwards	5,200
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Operating loss carry-forwards	$ 19,200
Puerto Rico
Income Taxes [Line Items]
Tax grant or holiday term	15 years
Switzerland
Income Taxes [Line Items]
Tax grant or holiday term	10 years
Malaysia
Income Taxes [Line Items]
Tax grant or holiday term	10 years