CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Non-Controlling Interest [Member]	Total
Balance, beginning of period at Jun. 30, 2012	$ 12,759	$ 184,306	$ (34,797)	$ (26,781)	$ 1,022	$ 136,509
Net earnings		3,882			369	4,251
Translation adjustments			576		(129)	447
Benefit plan adjustments, net of tax			8,322			8,322
Cash dividends		(4,078)			(204)	(4,282)
Compensation expense and windfall tax benefits	2,894					2,894
Shares (acquired) issued, net	(2,470)			(2,109)		(4,579)
Balance, end of period at Jun. 30, 2013	13,183	184,110	(25,899)	(28,890)	1,058	143,562
Net earnings		3,644			226	3,870
Translation adjustments			3,830		(70)	3,760
Benefit plan adjustments, net of tax			6,126			6,126
Cash dividends		(4,059)			(487)	(4,546)
Compensation expense and windfall tax benefits	1,708					1,708
Shares (acquired) issued, net	(2,918)			749		(2,169)
Balance, end of period at Jun. 30, 2014	11,973	183,695	(15,943)	(28,141)	727	152,311
Net earnings		11,173			212	11,385
Translation adjustments			(14,039)		(80)	(14,119)
Benefit plan adjustments, net of tax			(5,499)			(5,499)
Cash dividends		(4,061)			(220)	(4,281)
Compensation expense and windfall tax benefits	668					668
Shares (acquired) issued, net	(382)			84		(298)
Balance, end of period at Jun. 30, 2015	$ 12,259	$ 190,807	$ (35,481)	$ (28,057)	$ 639	$ 140,167