INCOME TAXES (Components of the Net Deferred Tax Assets (Liabilities)) (Details) - USD ($) $ in Thousands	Mar. 27, 2021	Mar. 28, 2020
Deferred Tax Assets:
Accrued Liabilities	$ 354	$ 531
Lease Liabilities	2,439	2,253
Performance-Based Stock Award Grants	439	432
Inventory Reserves	132	105
Non-Qualified Deferred Compensation Plan	104	98
Post-retirement Health Care Plans	506	385
Stock-Based Compensation	95	70
Deferred Payroll Tax - CARES Act	259
Capitalized Inventory Costs	118	126
Other	267	265
Total Deferred Tax Assets	4,713	4,265
Deferred Tax Liabilities:
Goodwill and Intangible Assets	(1,233)	(1,162)
Right of Use Assets	(2,408)	(2,198)
Depreciation	(4,230)	(3,858)
Other	(43)	(72)
Total Deferred Tax Liabilities	(7,914)	(7,290)
Net Deferred Tax Liabilities	$ (3,201)	$ (3,025)