Restructuring - Additional Information (Detail) - MAP to Growth - USD ($) $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Restructuring Cost And Reserve [Line Items]
Restructuring costs	$ 3.8	$ 6.3	$ 18.1
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring charges	Restructuring charges	Restructuring charges
Restructuring and related cost incurred to date	$ 121.1