Quarterly Financial Information - Unaudited (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 110,822	$ 107,219	$ 100,108	$ 94,603	$ 105,819	$ 99,052	$ 93,137	$ 95,684	$ 412,752	$ 393,692	$ 544,282
Gross profit	23,567	23,317	21,950	18,410	21,115	18,645	15,838	15,349	87,244	70,947	72,680
Operating income (loss)	7,596	2,982	4,584	1,918	4,236	2,116	3,762	428	17,080	10,542	6,617
Net income	$ 4,922	$ 1,803	$ 3,051	$ 752	$ 10,161	$ 1,475	$ 2,853	$ 289	$ 10,528	$ 14,778	$ 1,853
Earnings (loss) per share:
Basic	$ 0.95	$ 0.35	$ 0.59	$ 0.15	$ 1.97	$ 0.28	$ 0.54	$ 0.05	$ 2.04	$ 2.83	$ 0.29
Diluted	$ 0.89	$ 0.33	$ 0.57	$ 0.14	$ 1.91	$ 0.28	$ 0.53	$ 0.05	$ 1.91	$ 2.74	$ 0.28
Insurance proceeds received related to settlement of environmental remediation liability							$ 2,800
Restructuring expense	$ 400	$ 2,600							$ 2,982		$ 730
Sale of income	3,300								3,300
Valuation allowance	$ 52								$ 52		$ 9,800