Consolidated Statements of Changes in Equity - USD ($)	Common Stock [Member]	Retained Earnings, Appropriated [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Jun. 30, 2013	$ 13,183,000	$ 184,110,000	$ (25,899,000)	$ (28,890,000)	$ 1,058,000	$ 143,562,000
Net (loss) earnings		3,644,000			226,000	3,870,000
Foreign currency translation adjustment			3,830,000		(70,000)	3,760,000
Benefit plan adjustments, net of tax			6,126,000			6,126,000
Cash dividends		(4,059,000)			(487,000)	(4,546,000)
Compensation expense and windfall tax benefits	1,708,000					1,708,000
Shares (acquired) issued, net	(2,918,000)			749,000		(2,169,000)
Balance at Jun. 30, 2014	11,973,000	183,695,000	(15,943,000)	(28,141,000)	727,000	152,311,000
Net (loss) earnings		11,173,000			212,000	11,385,000
Foreign currency translation adjustment			(14,039,000)		(80,000)	(14,119,000)
Benefit plan adjustments, net of tax			(5,499,000)			(5,499,000)
Cash dividends		(4,061,000)			(220,000)	(4,281,000)
Compensation expense and windfall tax benefits	668,000					668,000
Shares (acquired) issued, net	(382,000)			84,000		(298,000)
Balance at Jun. 30, 2015	12,259,000	190,807,000	(35,481,000)	(28,057,000)	639,000	140,167,000
Net (loss) earnings		(13,104,000)			91,000	(13,013,000)
Foreign currency translation adjustment			(1,582,000)		25,000	(1,557,000)
Benefit plan adjustments, net of tax			(7,080,000)			(7,080,000)
Cash dividends		(2,041,000)			(192,000)	(2,233,000)
Compensation expense and windfall tax benefits	946,000					946,000
Shares (acquired) issued, net	(1,444,000)			1,267,000		(177,000)
Balance at Jun. 30, 2016	$ 11,761,000	$ 175,662,000	$ (44,143,000)	$ (26,790,000)	$ 563,000	$ 117,053,000