RETIREMENT PLANS (Schedule of Components of Net Periodic Benefit Costs of Defined Benefit Pension Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Compensation and Retirement Disclosure [Abstract]
Service cost	$ 3,404	$ 3,560	$ 2,979
Interest cost on benefit obligation	287	371	686
Expected return on plan assets	(308)	(330)	(449)
Actuarial loss	532	598	107
Amortization of unrecognized prior service cost	(119)	(38)	(29)
Amortization of unrecognized transition obligation	37	42	45
Settlement loss recognized	289	0	0
Totals	$ 4,122	$ 4,203	$ 3,339