Segments and Geographic Information - Sales by Product Category (Details) $ in Thousands	12 Months Ended
	May 31, 2023 USD ($)	May 31, 2022 USD ($)	May 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 338,752	$ 316,219	$ 291,010
Gross Profit	$ 174,246	$ 165,732	$ 156,788
Gross Margin	0.514	0.524	0.539
Med Tech
Segment Reporting Information [Line Items]
Net sales	$ 96,687	$ 78,717	$ 55,731
Gross Profit	$ 61,966	$ 52,584	$ 39,544
Gross Margin	0.641	0.668	0.710
Med Device
Segment Reporting Information [Line Items]
Net sales	$ 242,065	$ 237,502	$ 235,279
Gross Profit	$ 112,280	$ 113,148	$ 117,244
Gross Margin	0.464	0.476	0.498