Consolidated and Combined Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 119.3	$ 170.1	$ 99.7
Other comprehensive income (loss):
Foreign currency translation, net of tax	1.2	(1.3)	(6.8)
Pension liability adjustment, net of tax	(1.1)	2.4	(0.7)
Cash flow hedges, net of tax	2.0	(5.1)	3.5
Other comprehensive income (loss)	2.1	(4.0)	(4.0)
Comprehensive income	121.4	166.1	95.7
Comprehensive income attributable to noncontrolling interests	8.6	15.4	12.6
Comprehensive income attributable to controlling interest	$ 112.8	$ 150.7	$ 83.1