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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Detail) - Summary of discounted cash flow valuation model used by the Company's for the investment in Windset: (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 26, 2012
10% increase in revenue growth rates	$ 1,000
10% increase in expense growth rates	(600)
10% increase in income tax rates	(100)
10% increase in discount rates	$ (250)