CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 339,964,000	$ 314,783,000	$ 261,911,000
Cost of goods sold	225,351,000	180,968,000	166,130,000
Gross profit	114,613,000	133,815,000	95,781,000
Selling expenses	103,151,000	99,458,000	88,283,000
General and administrative expenses	37,561,000	43,243,000	38,977,000
Net gains from sale of assets	(5,140,000)	(2,905,000)	(593,000)
Impairment of fixed assets	0	0	1,243,000
Operating expenses	135,572,000	139,796,000	127,910,000
Loss from operations	(20,959,000)	(5,981,000)	(32,129,000)
Other (expense) income:
Interest expense	(9,162,000)	(4,009,000)	(9,901,000)
Postretirement benefits curtailment and pension settlement charge	0	0	6,359,000
Other, net	(4,242,000)	8,140,000	19,386,000
Total other (expense) income	(13,404,000)	4,131,000	15,844,000
Loss from continuing operations before taxes	(34,363,000)	(1,850,000)	(16,285,000)
Income tax (benefit) expense	(325,000)	124,000	13,928,000
Loss from continuing operations	(34,038,000)	(1,974,000)	(30,213,000)
Less: Cumulative preferred dividends, undeclared and unpaid	(45,142,000)	(13,687,000)	(11,438,000)
Net loss	(79,180,000)	(15,661,000)	(41,651,000)
Less: Cumulative preferred dividends, undeclared and unpaid	0	594,000	574,000
Net loss available to common stockholders	$ (79,180,000)	$ (16,255,000)	$ (42,225,000)
Loss from continuing operations available to common stockholders per common share, basic (in dollars per share)	$ (1.74)	$ (0.14)	$ (1.74)
Loss from continuing operations available to common stockholders per common share, diluted (in dollars per share)	(1.74)	(0.14)	(1.74)
Loss from discontinued operations available to common stockholders per common share, basic (in dollars per share)	(2.30)	(0.75)	(0.65)
Loss from discontinued operations available to common stockholders per common share, diluted (in dollars per share)	(2.30)	(0.75)	(0.65)
Net loss available to common stockholders per common share, basic (in dollars per share)	(4.04)	(0.89)	(2.39)
Net loss available to common stockholders per common share, diluted (in dollars per share)	$ (4.04)	$ (0.89)	$ (2.39)
Weighted average common shares outstanding - basic (in shares)	19,621,992	18,200,080	17,635,402
Weighted average common shares outstanding—diluted (in shares)	19,621,992	18,200,080	17,635,402