Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Jun. 30, 2013	$ 6,077	$ 750	$ 52,613	$ 91,778	$ (24,476)	$ 126,742
Total comprehensive income				6,712	4,051	10,763
Dividends ($0.40 per share)				(2,775)		(2,775)
Issuance of stock	30	104	1,296			1,430
Stock-based compensation			154			154
Conversion	59	(59)
Balance at Jun. 30, 2014	6,166	795	54,063	95,715	(20,425)	136,314
Total comprehensive income				6,712	4,051	10,763
Total comprehensive income				5,244	(25,191)	(19,947)
Dividends ($0.40 per share)				(2,795)		(2,795)
Issuance of stock	23	33	632			688
Stock-based compensation			238			238
Conversion	36	(36)
Balance at Jun. 30, 2015	6,224	789	54,869	98,164	(45,616)	114,430
Total comprehensive income				5,244	(25,191)	(19,947)
Repurchase of shares	(1)	(3)	(64)			(68)
Cumulative balance:
						(45,616)
Total comprehensive income				(14,130)	(6,349)	(20,479)
Dividends ($0.40 per share)				(2,806)		(2,806)
Issuance of stock	34	18	530			582
Stock-based compensation			249			249
Conversion	29	(29)
Balance at Jun. 30, 2016	6,250	773	55,227	81,228	(51,965)	91,513
Total comprehensive income				(14,130)	(6,349)	(20,479)
Repurchase of shares	$ (37)	$ (5)	$ (421)			(463)
Cumulative balance:
Translation loss, net of taxes					(41,886)
Pension and postretirement plans, net of taxes					(10,079)
					$ (51,965)	$ (51,965)