Combined Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (2.1)	$ (12.5)	$ 60.0	$ 18.8
Other comprehensive income (loss), net of tax
Foreign currency translation	0.5	(2.6)	(0.3)	(6.0)
Cash flow hedges	10.6	(0.9)	3.2	(10.8)
Other comprehensive income (loss)	11.1	(3.5)	2.9	(16.8)
Comprehensive income (loss)	9.0	(16.0)	62.9	2.0
Comprehensive income attributable to noncontrolling interests	3.9	3.3	7.5	4.4
Comprehensive income (loss) attributable to controlling interest	$ 5.1	$ (19.3)	$ 55.4	$ (2.4)