CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Net sales	$ 469,193	$ 397,850	$ 501,320
Cost of goods sold	332,277	296,925	363,198
Gross profit	136,916	100,925	138,122
Selling expenses	107,277	95,503	121,762
General and administrative expenses	47,172	42,945	42,569
Net gains from sale of assets	(2,905)	(593)	(25,237)
Impairment of goodwill and intangible assets	0	0	42,030
Impairment of fixed assets	0	1,243	0
Operating expenses	151,544	139,098	181,124
Loss from operations	(14,628)	(38,173)	(43,002)
Other (expense) income:
Interest expense	(9,516)	(15,962)	(10,483)
Postretirement benefits curtailment and pension settlement charge	0	6,359	5,760
Other, net	8,182	19,720	10,443
Total other (expense) income	(1,334)	10,117	5,720
Loss before taxes	(15,962)	(28,056)	(37,282)
Income tax (benefit) expense	(301)	13,595	(195)
Net loss	(15,661)	(41,651)	(37,087)
Cumulative preferred dividends, undeclared and unpaid	594	574	554
Net loss available to common stock holders	$ (16,255)	$ (42,225)	$ (37,641)
Net income (loss) per common share - basic (in US$ per share)	$ (0.89)	$ (2.39)	$ (2.19)
Net income (loss) per common share - diluted (in US$ per share)	$ (0.89)	$ (2.39)	$ (2.19)
Weighted average common shares outstanding - basic (in shares)	18,200,080	17,635,402	17,205,849
Weighted average common shares outstanding—diluted (in shares)	18,200,080	17,635,402	17,205,849