Note 15 - Lease Financing Obligation (Details) - Amortization Expense Related to the Design Tools (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Note 15 - Lease Financing Obligation (Details) - Amortization Expense Related to the Design Tools [Line Items]
Amortization expense	$ 7,600	$ 3,379	$ 3,603
Design Tools [Member]
Note 15 - Lease Financing Obligation (Details) - Amortization Expense Related to the Design Tools [Line Items]
Amortization expense	$ 3,294	$ 3,523	$ 3,706

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration