Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) - Significant Unobservable Inputs Used in Discounted Cash Flow Models	12 Months Ended
	May 25, 2014	May 26, 2013
Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) - Significant Unobservable Inputs Used in Discounted Cash Flow Models [Line Items]
Annual consolidated revenue growth rates	4.00%
Annual consolidated expense growth rates	4.00%
Consolidated income tax rates	15.00%	15.00%
Minimum [Member]
Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) - Significant Unobservable Inputs Used in Discounted Cash Flow Models [Line Items]
Annual consolidated revenue growth rates		3.00%
Annual consolidated expense growth rates		3.00%
Consolidated discount rates	16.00%	18.00%
Maximum [Member]
Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) - Significant Unobservable Inputs Used in Discounted Cash Flow Models [Line Items]
Annual consolidated revenue growth rates		9.00%
Annual consolidated expense growth rates		8.00%
Consolidated discount rates	22.00%	28.00%