Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
May 31, 2023	May 31, 2022	May 31, 2021
Stock Options
Outstanding, beginning of year	602	602	1,352
Granted	84	55	116
Exercised	(113)	(53)	(854)
Forfeited		(2)	(12)
Outstanding, end of year	573	602	602
Exercisable at end of year	418	447	389
Weighted Average Exercise Price
Outstanding, beginning of year	$ 39.66	$ 36.44	$ 27.34
Granted	46.39	60.19	36.93
Exercised	29.71	23.80	22.16
Forfeited		44.69	31.52
Outstanding, end of year	42.61	39.66	36.44
Exercisable at end of year	$ 40.84	$ 37.68	$ 35.55
Weighted Average Remaining Contractual Life (in years)
Outstanding	5 years 5 months 19 days	5 years 1 month 24 days	5 years 7 months 9 days
Exercisable	4 years 4 months 17 days	4 years 1 month 2 days	4 years 1 month 24 days
Aggregate intrinsic value
Outstanding	$ 7,970	$ 4,987	$ 18,037
Exercisable	$ 6,472	$ 4,065	$ 12,415

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.