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Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Significant Unobservable Inputs Used in Discounted Cash Flow Models (Details) | 9 Months Ended | 12 Months Ended
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Feb. 26, 2017 | May 29, 2016
Revenue growth rates | 4.00% | 4.00%
Expense growth rates | 4.00% | 4.00%
Income tax rates | 15.00% | 15.00%
Discount rates | 12.00% | 12.50%

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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Percentage of assumed long-term growth in revenues, used as an input to measure fair value. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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