Equity Compensation Plans and Other Incentive Compensation - Summary of Stock Options Outstanding (Detail) - $ / shares	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022	May 31, 2021
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number	4,936,000	4,222,000	3,244,000	2,957,000
Options Outstanding, Average Contractual Life	4 years 7 months 6 days
Options Outstanding, Weighted-Average Exercise Price	$ 20.41	$ 25.56	$ 32.13	$ 27.98
Options Exercisable, Number	1,518,000	1,401,000	1,191,000	643,000
Options Exercisable, Weighted Average Exercise Price	$ 26.11	$ 31.54	$ 30.24
$12.20 - $20.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise price, minimum	12.2
Range of Exercise price, maximum	$ 20
Options Outstanding, Number	3,399,000
Options Outstanding, Average Contractual Life	5 years 10 months 24 days
Options Outstanding, Weighted-Average Exercise Price	$ 14.64
Options Exercisable, Number	515,000
Options Exercisable, Weighted Average Exercise Price	$ 13.73
$20.01 - $28.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise price, minimum	20.01
Range of Exercise price, maximum	$ 28
Options Outstanding, Number	96,000
Options Outstanding, Average Contractual Life	5 years
Options Outstanding, Weighted-Average Exercise Price	$ 24.23
Options Exercisable, Number	83,000
Options Exercisable, Weighted Average Exercise Price	$ 23.74
$28.01 - $36.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise price, minimum	28.01
Range of Exercise price, maximum	$ 36
Options Outstanding, Number	1,140,000
Options Outstanding, Average Contractual Life	1 year 3 months 18 days
Options Outstanding, Weighted-Average Exercise Price	$ 31.89
Options Exercisable, Number	795,000
Options Exercisable, Weighted Average Exercise Price	$ 32.03
$36.01 - $42.15
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise price, minimum	36.01
Range of Exercise price, maximum	$ 42.15
Options Outstanding, Number	301,000
Options Outstanding, Average Contractual Life	2 years 4 months 24 days
Options Outstanding, Weighted-Average Exercise Price	$ 40.94
Options Exercisable, Number	125,000
Options Exercisable, Weighted Average Exercise Price	$ 41