Income Taxes - Reconciliation Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of period	$ 37,574	$ 42,457
Additions for tax positions of the current year	6,904	5,558
Additions for tax positions of prior years	6,821	3,093
Settlements	(12,937)	(7,352)
Statute expirations	(1,608)	(6,182)
Balance at end of period	$ 36,754	$ 37,574