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Note 7 - Income Taxes (Details) (USD $) | 12 Months Ended |
--- | --- | ---
May 03, 2014 | Apr. 27, 2013 | Apr. 28, 2012 | Apr. 30, 2011
Note 7 - Income Taxes (Details) [Line Items] |  |  |  |  |
Unrecognized Tax Benefits | $ 2,123,000 |  | $ 4,349,000 | $ 4,548,000 | $ 4,687,000
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions | 2,100,000 |  |  |  |
Changes in Income Tax if All Uncertain Tax Positions Prevail | 1,400,000 |  |  |  |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 2,494,000 | [1] | 614,000 | 547,000 |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 351,000 |  |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | (163,000) |  |  |  |
Review of Federal Income Tax Returns Three Years Ended April 2013 [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |  |
Note 7 - Income Taxes (Details) [Line Items] |  |  |  |  |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | $ 1,907,000 |  |  |  |
[1] | Includes $1,907 related to the Internal Revenue Service review of the Company's federal income tax returns for the three years ended April 2013 noted above.

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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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