EMPLOYEE BENEFIT PLANS (Components of Net Periodic Postretirement Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Net periodic postretirement benefit cost:
Service cost	$ 19	$ 32
Interest cost	39	38
Amortization of prior service cost	58	58
	116	128
Benefit obligations recognized in other comprehensive income:
Amortization of prior service cost	(58)	(58)
Net gain (loss)	133	(46)
	75	(104)
Total recognized in net periodic benefit cost and other comprehensive income	191	24
Amount recognized in accumulated other comprehensive income, at end of fiscal year:
Unrecognized prior service cost	$ 229	$ 154