Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
The 2013 ESOP [Member]
Supplemental disclosure of non-cash activities:
Issuance of stock under 2013 ESOP		$ 773
Net earnings (loss)	$ 5,244	6,712	$ (162)
Depreciation	7,434	8,177	8,529
Amortization	$ 1,283	$ 1,181	1,146
ESOP compensation expense			773
Stock-based compensation	$ 362	$ 251	231
Net long-term tax obligations	2,414	780	39
Deferred taxes	985	1,329	(303)
Unrealized transaction gains	(6)	(4)	(23)
Income on equity method investment	$ (203)	(257)	$ (470)
Loss on disposal of building		89
Accounts receivable	$ (2,615)	(4,491)	$ 2,377
Inventories	(6,185)	(7,526)	11,994
Other current assets	483	818	60
Other current liabilities	780	1,871	(5,551)
Postretirement benefit and pension obligations	(3,426)	2,073	1,752
Other	250	172	324
Net cash provided by operating activities	6,800	11,175	20,716
Additions to plant and equipment	(5,052)	(8,464)	(7,788)
Software development	(648)	(372)	(353)
Purchase of short-term investments	(45)	$ (107)	(8,116)
Proceeds from sale of short-term investments	$ 201		$ 6,428
Proceeds from sale of building		$ 596
Net cash used in investing activities	$ (5,544)	$ (8,347)	$ (9,829)
Proceeds from short-term borrowings	$ 900
Short-term debt repayments		$ (425)	$ (194)
Proceeds from long-term borrowings		500	1,500
Long-term debt repayments	$ (2,148)	(4,529)	(6,673)
Proceeds from common stock issued	564	$ 560	560
Repurchase of shares	(68)		(62)
Dividends paid	(2,795)	$ (2,775)	(2,721)
Net cash used in financing activities	(3,547)	(6,669)	(7,590)
Effect of translation rate changes on cash	(2,834)	319	(1,044)
Net increase (decrease) in cash	(5,125)	(3,522)	2,253
Cash beginning of year	16,233	19,755	17,502
Cash end of year	11,108	16,233	19,755
Interest paid	724	813	935
Taxes paid, net	$ 2,169	$ 3,476	$ 2,573