Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Jun. 30, 2019	$ 45,047	$ 196,472	$ (37,971)	$ (21,332)	$ 602	$ 182,818
Net (loss) income		(39,817)			246	(39,571)
Translation adjustments			(985)		19	(966)
Benefit plan adjustments, net of tax			(1,675)			(1,675)
Unrealized gain (loss) on hedges			(595)			(595)
Cash dividends					(298)	(298)
Compensation expense	1,158					1,158
Shares (acquired) issued, net	(3,449)			2,536		(913)
Balance at Jun. 30, 2020	42,756	156,655	(41,226)	(18,796)	569	139,958
Net (loss) income		(29,719)			200	(29,519)
Translation adjustments			5,738		(99)	5,639
Benefit plan adjustments, net of tax			12,113			12,113
Unrealized gain (loss) on hedges			760			760
Cash dividends					(220)	(220)
Compensation expense	2,154					2,154
Shares (acquired) issued, net	(3,938)			3,713		(225)
Balance at Jun. 30, 2021	$ 40,972	$ 126,936	$ (22,615)	$ (15,083)	$ 450	$ 130,660