Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Name:	us-gaap_ProductWarrantyAccrual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 16 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Jul. 31, 2015	Feb. 28, 2015	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014
Return of Certain Older Generation Data Compression Products [Member]
Standard and Extended Product Warranty Accrual					$ 1.4
Standard and Extended Product Warranty Accrual			$ 0.3	$ 0.3
Warranty Term, Customer Products			1 year
Warranty Term, Standard Products			90 days
Proceeds from Insurance Settlement, Operating Activities		$ 0.5
Litigation Settlement, Amount	$ 1.5