2011 EQUITY INCENTIVE PLAN (Schedule of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 30, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock option expense	[1]	$ 28
IEH employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock option expense
Non-employee directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock option expense		$ 28

[1] The Company reported additional compensation expense of $27,980 during the year ended March 30, 2018 resulting from stock options granted during the year ended March 31, 2017.