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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)
3 Months Ended 12 Months Ended
Aug. 27, 2017
May 28, 2017
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% 12.00%