Acquisitions - Summary of Pro Forma Information (Details) - Sitem Group - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Business Combination, Pro Forma Information [Line Items]
Net Sales	$ 871.9	$ 797.0	$ 1,744.8	$ 1,694.2
Net earnings attributable to controlling interest	$ 19.0	$ 12.2	$ 56.4	$ 39.6
Diluted earnings per share attributable to controlling interest	$ 0.37	$ 0.24	$ 1.13	$ 0.78