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, 2020	$ 42,756	$ 156,655	$ (41,226)	$ (18,796)	$ 569	$ 139,958
Net income (loss)		(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
Net income (loss)		8,095			311	8,406
Translation adjustments			(11,458)		(135)	(11,593)
Benefit plan adjustments, net of tax			(263)			(263)
Unrealized gain (loss) on hedges			2,250			2,250
Cash dividends					(214)	(214)
Compensation expense	2,428					2,428
Shares (acquired) issued, net	(849)			363		(486)
Balance at Jun. 30, 2022	$ 42,551	$ 135,031	$ (32,086)	$ (14,720)	$ 412	$ 131,188