Note 1 - General (Details) - A summary of changes in the Company’s goodwill and intangible assets is as follows: (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 26, 2011
Goodwill [Line Items]
Goodwill, Net Book Value	$ 17,592	$ 13,390	$ 11,666
Intangible Assets, Net Book Value	3,691	2,449	1,982
Goodwill, Additions	4,234	1,728
Intangible Assets, Additions	2,062	1,206
Intangible Assets, Amortization	(802)	(737)
Goodwill, Currency Translation Adjustment	(32)	(4)
Intangible Assets, Currency Translation Adjustment	(18)	(2)
Goodwill, Distribution [Member]
Goodwill [Line Items]
Goodwill, Net Book Value	8,031	8,031	8,031
Goodwill, Service [Member]
Goodwill [Line Items]
Goodwill, Net Book Value	9,561	5,359	3,635
Goodwill, Additions	4,234	1,728
Goodwill, Currency Translation Adjustment	(32)	(4)
Intangible Assets, Distribution [Member]
Goodwill [Line Items]
Intangible Assets, Net Book Value	485	724	1,069
Intangible Assets, Amortization	(239)	(345)
Intangible Assets, Service [Member]
Goodwill [Line Items]
Intangible Assets, Net Book Value	3,206	1,725	913
Intangible Assets, Additions	2,062	1,206
Intangible Assets, Amortization	(563)	(392)
Intangible Assets, Currency Translation Adjustment	$ (18)	$ (2)