Stock-Based Compensation - Schedule of Stock Options Granted and Outstanding (Details) - $ / shares	12 Months Ended
May 31, 2024	May 31, 2023	May 31, 2022	May 31, 2021
Shares
Outstanding, beginning of period (in shares)	4,427,752	5,087,402	6,055,524
Granted (in shares)	408,497	579,146	531,963
Canceled (in shares)	0	(1,710)	(877)
Forfeited (in shares)	(110,593)	(162,598)	(260,249)
Exercised (in shares)	(913,398)	(1,074,488)	(1,238,959)
Outstanding, end of period (in shares)	3,812,258	4,427,752	5,087,402
Options exercisable (in shares)	1,385,992	1,546,346	1,575,999	1,548,867
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 278.01	$ 230.62	$ 191.11
Granted (in dollars per share)	662.31	464.91	398.92
Canceled (in dollars per share)	0	65.79	116.25
Forfeited (in dollars per share)	411.35	339.49	273.53
Exercised (in dollars per share)	171.64	145.19	118.21
Outstanding, end of period (in dollars per share)	$ 342.91	$ 278.01	$ 230.62

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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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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