Consolidated Statements Of Income And Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Consolidated Statements Of Income [Abstract]
Net sales	$ 99,052	$ 140,408	$ 287,873	$ 419,765
Cost of goods sold	80,407	118,337	238,041	364,757
Gross margin	18,645	22,071	49,832	55,008
Selling, general and administrative expenses	16,529	16,316	45,967	52,642
Environmental remediation			(2,788)
Restructuring (income) expense		(59)		715
Other expense			347
Gain on disposal of assets due to restructuring				(1,400)
Operating income	2,116	5,814	6,306	3,051
Interest expense	260	176	897	602
Other (income)	(12)	(14)	(11)	(116)
Income before income taxes	1,868	5,652	5,420	2,565
Income tax provision	393	336	803	441
Net income and comprehensive income	$ 1,475	$ 5,316	$ 4,617	$ 2,124
Weighted average number of common shares outstanding:
Basic	5,179	6,330	5,249	6,615
Diluted	5,352	6,494	5,427	6,842
Earnings per share of common stock:
Basic	$ 0.28	$ 0.84	$ 0.88	$ 0.32
Diluted	$ 0.28	$ 0.82	$ 0.85	$ 0.31