RETIREMENT PLANS (Schedule of Components of Net Periodic Benefit Costs of Defined Benefit Pension Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Retirement Benefits [Abstract]
Service cost	$ 1,829	$ 1,893	$ 2,651
Interest cost on benefit obligation	301	340	293
Expected return on plan assets	(178)	(208)	(215)
Actuarial loss	129	132	186
Amortization of unrecognized prior service cost	(98)	(86)	(121)
Plan settlements and curtailments	(239)	(82)	(445)
Totals	$ 1,744	$ 1,989	$ 2,349