Consolidated Statements of Comprehensive (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 15,533	$ (21,839)	$ 6,079
Other comprehensive (loss) income:
Currency translation gain (loss), net of tax	5,828	(12,316)	(593)
Pension and postretirement plans, net of tax of $5,294, $ (962) and $(3,140), respectively	15,325	(3,818)	(9,488)
Other comprehensive income (loss)	21,153	(16,134)	(10,081)
Total comprehensive income (loss)	$ 36,686	$ (37,973)	$ (4,002)