Earnings Per Share - Summary of Non Cash Buyback Activity by Program (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Nov. 30, 2023	Aug. 31, 2023	Nov. 30, 2022	Aug. 31, 2022	Nov. 30, 2023	Nov. 30, 2022
Equity, Class of Treasury Stock [Line Items]
Stock purchased under share buyback	$ 349,852	$ 73,276	$ 28,348	$ 320,334	$ 423,128	$ 348,682
Noncash Share Repurchase Transaction
Equity, Class of Treasury Stock [Line Items]
Stock purchased under share buyback (in shares)	68		66		186	260
Stock purchased under share buyback, average price (in dollars per share)	$ 514.75		$ 421.85		$ 506.82	$ 414.46
Stock purchased under share buyback	$ 35,087		$ 27,975		$ 94,300	$ 107,566