Fair Value Measurements (Tables)

9 Months Ended

Feb. 28, 2015

Fair Value Measurements [Abstract]

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

	February 28, 2015				May 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
5.4 – 6.4% Notes payable	$	46,529	$	47,173	$	52,676	$	53,387
Series A Senior Secured Notes at 5.45%		6,838		6,835		8,417		8,396
	$	53,367	$	54,008	$	61,093	$	61,783

Schedule Of Assets Measured At Fair Value On A Recurring Basis

	February 28, 2015
	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical		Observable		Unobservable
	Instruments		Inputs		Inputs		Total
	(Level 1)		(Level 2)		(Level 3)		Balance
Investment securities available-for-sale
State municipal bonds	$	-	$	78,602	$	-	$	78,602
US government obligations		-		4,459		-		4,459
Corporate bonds		-		119,886		-		119,886
Commercial paper		-		6,992		-		6,992
Foreign government obligations		-		1,048		-		1,048
Government agency bonds		-		4,637		-		4,637
Asset backed securities		-		9,180		-		9,180
Mutual funds*		1,736		-		-		1,736
Total available-for-sale securities at fair value		1,736		224,804		-		226,540
Commodity contracts		-		1,242		-		1,242
Total assets measured at fair value	$	1,736	$	226,046	$	-	$	227,782
Contingent consideration		-		-		1,024		1,024
Total liabilities measured at fair value	$	-	$	-	$	1,024	$	1,024

*The mutual funds are classified as long term and are a part of “other investments” in the Condensed Consolidated Balance Sheet.

	May 31, 2014
	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical		Observable		Unobservable
	Instruments		Inputs		Inputs		Total
	(Level 1)		(Level 2)		(Level 3)		Balance
Investment securities available-for-sale
State municipal bonds	$	-	$	75,847	$	-	$	75,847
US government obligations		-		4,061		-		4,061
Corporate bonds		-		102,685		-		102,685
Commercial paper		-		3,930				3,930
Certificates of deposit		-		351		-		351
Foreign government obligations		-		1,066				1,066
Government agency bonds		-		4,798		-		4,798
Variable rate demand notes		-		2,000		-		2,000
Mutual funds*		1,451		-		-		1,451
Total available-for-sale securities at fair value		1,451		194,738		-		196,189
Commodity contracts		-		1,255				1,255
Total assets measured at fair value	$	1,451	$	195,993	$	-	$	197,444
Contingent consideration	$	-	$	-	$	2,985	$	2,985
Total liabilities measured at fair value	$	-	$	-	$	2,985	$	2,985

*The mutual funds are classified as long term and are a part of “other investments” in the Condensed Consolidated Balance Sheet.

Changes In Fair Value Of Contingent Consideration

		Thirty-nine weeks ended February 28, 2015
Balance at May 31, 2014	$	2,985
(Gains)/Losses recognized in earnings		239
Actual payments made		(2,200)
Balance at February 28, 2015	$	1,024