Fair Value Measurements (Tables)

3 Months Ended

Aug. 27, 2016

Fair Value Measurements [Abstract]

Schedule Of Fair Value And Carrying Value Of Borrowings Under Long-Term Debt

	August 27, 2016				May 28, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
5.4% – 6.4% Notes payable	$	24,040	$	24,192	$	25,570	$	25,824
	$	24,040	$	24,192	$	25,570	$	25,824

Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

							Total
August 27, 2016	Level 1		Level 2		Level 3		Balance
Assets
US government and agency obligations	$	-	$	18,596	$	-	$	18,596
Municipal bonds		-		68,049		-		68,049
Corporate bonds		-		168,421		-		168,421
Foreign government obligations		-		2,035		-		2,035
Asset backed securities		-		12,101		-		12,101
Mutual funds		2,011		-		-		2,011
Total assets measured at fair value	$	2,011	$	269,202	$	-	$	271,213

							Total
May 28, 2016	Level 1		Level 2		Level 3		Balance
Assets
US government and agency obligations	$	-	$	18,814	$	-	$	18,814
Municipal bonds		-		79,643		-		79,643
Corporate bonds		-		240,537		-		240,537
Foreign government obligations		-		2,046		-		2,046
Asset backed securities		-		15,893		-		15,893
Mutual funds		5,503		-		-		5,503
Total assets measured at fair value	$	5,503	$	356,933	$	-	$	362,436