Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 219,644	$ 201,451	$ 228,022
Cost of goods sold	146,302	139,241	153,081
Gross margin	$ 73,342	$ 62,210	$ 74,941
% of net sales	33.40%	30.90%	32.90%
Selling, general and administrative expenses	$ 56,316	$ 59,437	$ 63,720
Restructuring charges	3,664	1,580	0
Goodwill and intangibles impairment	0	6,496	0
Gain on sale of facility	(3,204)	0	0
Operating income (loss)	16,566	(5,303)	11,221
Other income (expense)	860	(14,694)	(1,611)
Earnings (loss) before income taxes	17,426	(19,997)	9,610
Income tax expense	1,893	1,842	3,531
Net earnings (loss)	$ 15,533	$ (21,839)	$ 6,079
Basic earnings (loss) per share (in dollars per share)	$ 2.20	$ (3.14)	$ 0.87
Diluted earning (loss) per share (in dollars per share)	$ 2.11	$ (3.14)	$ 0.87
Weighted average outstanding shares used in per share calculations:
Basic (in shares)	7,070	6,949	6,957
Diluted (in shares)	7,367	6,949	7,026