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, 2018	$ 11,570	$ 178,896	$ (23,792)	$ (23,677)	$ 619	$ 143,616
Net Net (loss) income		10,673			123	10,796
Translation adjustments			(2,646)		(25)	(2,671)
Benefit plan adjustments, net of tax			(4,121)			(4,121)
Unrealized loss on cash flow hedge, net of tax			(509)			(509)
Release stranded tax effects		6,903	(6,903)
Cash dividends					(115)	(115)
Compensation expense	2,591					2,591
Shares issued, net	30,886			2,345		33,231
Balance at Jun. 30, 2019	45,047	196,472	(37,971)	(21,332)	602	182,818
Net Net (loss) income		(39,817)			246	(39,571)
Translation adjustments			(985)		19	(966)
Benefit plan adjustments, net of tax			(1,675)			(1,675)
Unrealized loss on cash flow hedge, net of tax			(595)			(595)
Cash dividends					(298)	(298)
Compensation expense	1,158					1,158
Shares issued, net	(3,449)			2,536		(913)
Balance at Jun. 30, 2020	$ 42,756	$ 156,655	$ (41,226)	$ (18,796)	$ 569	$ 139,958