Treasury Stock - Narrative (Details) - USD ($)	3 Months Ended						9 Months Ended
	Feb. 29, 2024	Nov. 30, 2023	Aug. 31, 2023	Feb. 28, 2023	Nov. 30, 2022	Aug. 31, 2022	Feb. 29, 2024	Dec. 13, 2023
Equity, Class of Treasury Stock [Line Items]
Authorized amount of stock to be repurchased	$ 166,200,000						$ 166,200,000
Treasury stock, value acquired	54,200,000	$ 52,300,000	$ 36,200,000	$ 46,900,000	$ 26,000,000.0	$ 5,100,000	142,700,000
Excise tax on stock repurchased	200,000						900,000
Board Authorized 2024 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized amount of stock to be repurchased	$ 66,200,000						$ 66,200,000	$ 66,200,000