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

6 Months Ended

Nov. 24, 2013

Accounting Policies [Abstract]

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

	At November 24, 2013			At May 26, 2013
Annual consolidated revenue growth rates		3%		3%	to	9%
Annual consolidated expense growth rates		3%		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 November 24, 2013
10% increase in annual revenue growth rates	$	1,900
10% increase in annual expense growth rates	$	(1,200	)
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 November 24, 2013						Fair Value at May 26, 2013
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	-	$	-	$	-	$	1,545	$	-	$	-
Investment in private company		-		-		37,300		-		-		29,600
Total	$	-	$	-	$	37,300	$	1,545	$	-	$	29,600
Liabilities:
Interest rate swap	$	-	$	95	$	-	$	-	$	163	$	-
Total	$	-	$	95	$	-	$	-	$	163	$	-