Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Current assets:
Cash and cash equivalents	$ 78,398	$ 102,752
Accounts receivable, less allowance of $477 and $581	19,113	18,354
Inventories, net	35,915	33,869
Prepaid expenses and other assets	1,549	1,089
Deferred income taxes	1,343	1,537
Income tax receivable	0	2,888
Investments—current	23,645	31,732
Discontinued operations—assets	0	18
Total current assets	159,963	192,239
Non-current assets:
Property, plant and equipment, net	9,145	7,223
Other intangibles, net	765	843
Non-current deferred income taxes	1,422	1,724
Investments—non-current	11,793	1,516
Total non-current assets	23,125	11,306
Total assets	183,088	203,545
Current liabilities:
Accounts payable	11,234	12,337
Accrued liabilities	8,226	9,220
Discontinued operations—liabilities	0	7
Total current liabilities	19,460	21,564
Non-current liabilities:
Non-current deferred income taxes	2,664	5,691
Other non-current liabilities	1,144	1,315
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	130
Total non-current liabilities	3,808	7,136
Total liabilities	23,268	28,700
Commitments and contingencies	0	0
Stockholders’ equity
Preferred stock, $1.00 par value, no shares issued	0	0
Additional paid-in capital	63,031	66,141
Common stock in treasury, at cost, no shares at February 28, 2015, and 1 share at May 31, 2014	0	(14)
Retained earnings	92,168	97,959
Accumulated other comprehensive income	3,938	10,057
Total stockholders’ equity	159,820	174,845
Total liabilities and stockholders’ equity	183,088	203,545
Common Stock
Stockholders’ equity
Common stock	576	592
Class B Common Stock
Stockholders’ equity
Common stock	$ 107	$ 110