v3.26.3
Earnings Per Common Share - Computation of Basic and Diluted Earnings Per Common Share Attributable to Controlling Interest (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Numerator (basic & diluted):    
Net earnings (loss) from continuing operations attributable to controlling interest $ (7.0) $ 36.8
Denominator:    
Basic earnings (loss) weighted average common shares 50.0 49.6
Effect of dilutive securities 0.0 1.0
Diluted earnings (loss) adjusted weighted average common shares 50.0 50.6
Basic earnings (loss) per common share from continuing operations $ (0.14) $ 0.74
Diluted earnings (loss) per common share from continuing operations $ (0.14) $ 0.73
Anti-dilutive non-qualified stock options and restricted common share awards [1] 1.0 0.3
[1] These non-qualified stock options and restricted common share awards were excluded from the calculation of diluted earnings per common share because their inclusion would have been anti-dilutive.