Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

May 31, 2016

Notes Tables

Summary of Valuation Allowance [Table Text Block]

	Beginning Balance		Additions to Expense		Deductions (1)			Other (2)		Ending Balance
2016
Allowance for doubtful accounts	$	1,669		572		(127	)		-		2,114
Deferred income tax valuation allowance		12,177		1,070		(11	)		-		13,236
2015
Allowance for doubtful accounts		898		970		(199	)		-		1,669
Deferred income tax valuation allowance		3,962		8,381		(166	)		-		12,177
2014
Allowance for doubtful accounts		815		268		(1,934	)		1,749		898
Deferred income tax valuation allowance		3,234		1,111		(383	)		-		3,962