Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Income Statement [Abstract]
Net sales	$ 303,914	$ 338,752	$ 316,219
Cost of sales (exclusive of intangible amortization)	149,216	164,506	150,487
Gross profit	154,698	174,246	165,732
Operating expenses
Research and development	31,512	29,883	30,739
Sales and marketing	102,818	104,249	95,301
General and administrative	41,164	40,003	38,451
Amortization of intangibles	13,048	18,790	19,458
Goodwill impairment	159,476	14,549	0
Change in fair value of contingent consideration	432	2,320	1,212
Acquisition, restructuring and other items, net	53,182	15,633	9,042
Total operating expenses	401,632	225,427	194,203
Gain on sale of assets	54,499	0	0
Operating loss	(192,435)	(51,181)	(28,471)
Other expenses
Interest income (expense), net	1,614	(2,702)	(688)
Other expense, net	(817)	(554)	(790)
Total other income (expense), net	797	(3,256)	(1,478)
Income (loss) before tax expense	(191,638)	(54,437)	(29,949)
Income tax benefit	(7,289)	(1,995)	(3,402)
Net loss	$ (184,349)	$ (52,442)	$ (26,547)
Loss per share
Basic (usd per share)	$ (4.59)	$ (1.33)	$ (0.68)
Diluted (usd per share)	$ (4.59)	$ (1.33)	$ (0.68)
Weighted average shares outstanding
Basic (in shares)	40,180,925	39,480,367	39,009,419
Diluted (in shares)	40,180,925	39,480,367	39,009,419