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Cash and Marketable Securities - Summary of components of marketable securities (Detail) - Commercial Paper And Corporate Bonds [Member] - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Feb. 28, 2023
May 31, 2022
Marketable Securities [Line Items]    
Amortized Cost $ 118,166 $ 339,540
Unrealized Gains 0 7
Unrealized Losses (2,086) (2,969)
Fair Value $ 116,080 $ 336,578