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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Feb. 23, 2014

Accounting Policies [Abstract]

Schedule of Effect of Significant Unobservable Inputs for Investement [Table Text Block]

	At February 23, 2014			At May 26, 2013
Annual consolidated revenue growth rates		4%		3%	to	9%
Annual consolidated expense growth rates	3%	to	4%	3%	to	8%
Consolidated income tax rate		15%			15%
Consolidated discount rates	16%	to	22%	18%	to	28%

Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table Text Block]

		Impact on value of Windset investment as of February23, 2014
10% increase in annual revenue growth rates		$	2,900
10% increase in annual expense growth rates		$	(2,700	)
10% increase in income tax rates		$	(100	)
10% increase in discount rate		$	(1,600	)

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		Fair Value at February 23, 2014												Fair Value at May 26, 2013
Assets:		Level 1				Level 2				Level 3				Level 1				Level 2				Level 3
Marketable securities		$	-			$	-			$	-			$	1,545			$	-			$	-
Investment in private company			-				-				37,700				-				-				29,600
Total		$	-			$	-			$	37,700			$	1,545			$	-			$	29,600

Liabilities:
Interest rate swap		$	-			$	67			$	-			$	-			$	163			$	-
Total		$	-			$	67			$	-			$	-			$	163			$	-