Cash and Marketable Securities - Summary of components of marketable securities (Detail) - Commercial Paper And Corporate Bonds [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Nov. 30, 2022	May 31, 2022
Marketable Securities [Line Items]
Amortized Cost	$ 179,650	$ 339,540
Unrealized Gains	0	7
Unrealized Losses	(3,312)	(2,969)
Fair Value	$ 176,338	$ 336,578