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Note 2 - Restatement of Previously Reported Consolidated Financial Statements (Detail) - Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified | Aug. 26, 2012 | May 27, 2012
--- | --- | ---
Investment in non-public company, fair value | $ 25,796 | $ 21,500
Total Assets | 270,860 | 277,692
Deferred taxes – noncurrent | 19,979 | 18,037
Retained earnings | 34,188 | 29,822
Total Stockholders’ Equity | 155,114 | 149,742
Total Equity | 157,027 | 151,558
Total Liabilities and Stockholders’ Equity | 270,860 | 277,692
Previously Reported [Member] |  |
Investment in non-public company, fair value | 22,896 |
Total Assets | 267,960 |
Deferred taxes – noncurrent | 18,906 |
Retained earnings | 32,361 |
Total Stockholders’ Equity | 153,287 |
Total Equity | 155,200 |
Total Liabilities and Stockholders’ Equity | 267,960 |
Adjustment [Member] |  |
Investment in non-public company, fair value | 2,900 |
Total Assets | 2,900 |
Deferred taxes – noncurrent | 1,073 |
Retained earnings | 1,827 |
Total Stockholders’ Equity | 1,827 |
Total Equity | 1,827 |
Total Liabilities and Stockholders’ Equity | 2,900 |
Restatement [Member] |  |
Investment in non-public company, fair value | 25,796 |
Total Assets | 270,860 |
Deferred taxes – noncurrent | 19,979 |
Retained earnings | 34,188 |
Total Stockholders’ Equity | 155,114 |
Total Equity | 157,027 |
Total Liabilities and Stockholders’ Equity | $ 270,860 |

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- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Total of all Liabilities and Stockholders' Equity items (or Partners' Capital, as applicable), including the portion of equity attributable to noncontrolling interests, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.32) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 25 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 32 -Article 5 + Details
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