Income Taxes - Income before provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
Income Taxes
Domestic	$ (22,500)	$ 14,600	$ 87,700
Foreign	61,400	43,700	33,500
Income from continuing operations before provision for income taxes	$ 38,900	$ 58,300	$ 121,200