GENERAL (Narrative) (Details) - USD ($)		1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Jan. 18, 2016	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014	Mar. 27, 2016	Dec. 30, 2015	Mar. 28, 2015
General [Line Items]
Investments			$ 800,000		$ 800,000				$ 900,000
Allocated Share-based Compensation Expense					300,000	$ 500,000
Foreign Currency Transaction Gain (Loss), Realized					(100,000)	(100,000)
Foreign Currency Transaction Gain (Loss), Unrealized					400,000	$ 400,000
Derivative Asset, Notional Amount			$ 5,000,000		$ 5,000,000
Dilutive Securities Effect Per Share on Earnings (in Dollars per share)			$ 0.00	$ 0.01	$ 0.01	$ 0.01
Cash paid					$ 2,918,000	$ 6,681,000
Revolving Credit Facility [Member]
General [Line Items]
Amount available			$ 30,000,000		$ 30,000,000
Subsequent Event [Member] | Spectrum Technologies, Inc. [Member]
General [Line Items]
Total Purchase Price	$ 11,800,000
Cash paid	10,100,000
Other holdback amounts unpaid	$ 1,700,000
Subsequent Event [Member] | Dispersion Laboratory Inc. [Member]
General [Line Items]
Total Purchase Price		$ 1,000
Subsequent Event [Member] | Borrowings for Business Acquisitions [Member] | Revolving Credit Facility [Member]
General [Line Items]
Amount available							$ 15,000,000	$ 17,000,000