Quarterly report [Sections 13 or 15(d)]

Basic and Diluted Earnings Per Share (Basic and Diluted Earnings Per Share) (Details)

v3.25.4
Basic and Diluted Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Nov. 30, 2025
Nov. 30, 2024
Basic earnings per share:        
Net income $ 395.4 $ 413.4 $ 779.2 $ 840.8
Weighted-average common shares outstanding 359.4 360.0 359.7 360.1
Basic earnings per share $ 1.10 $ 1.15 $ 2.17 $ 2.34
Diluted earnings per share:        
Net income $ 395.4 $ 413.4 $ 779.2 $ 840.8
Weighted-average common shares outstanding 359.4 360.0 359.7 360.1
Dilutive effect of common share equivalents 1.0 1.7 1.4 1.7
Weighted-average common shares outstanding, assuming dilution 360.4 361.7 361.1 361.8
Diluted earnings per share $ 1.1 $ 1.14 $ 2.16 $ 2.32
Weighted-average anti-dilutive common share equivalents 0.9 0.3 0.5 0.4