Consolidated and Combined Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 16.1	$ (2.1)	$ 48.3	$ 60.0
Other comprehensive income (loss), net of tax
Foreign currency translation	(4.8)	0.5	(2.7)	(0.3)
Pension liability adjustment	(1.0)	0.0	(1.0)	0.0
Cash flow hedges	(0.1)	10.6	0.0	3.2
Other comprehensive income (loss)	(5.9)	11.1	(3.7)	2.9
Comprehensive income	10.2	9.0	44.6	62.9
Comprehensive income attributable to noncontrolling interests	3.3	3.9	7.1	7.5
Comprehensive income attributable to controlling interest	$ 6.9	$ 5.1	$ 37.5	$ 55.4