Consolidated and Combined Statements of Equity - USD ($) $ in Millions	Total	Common Shares	Additional Paid-in Capital	Net Investment by the Former Parent	Accumulated Other Comprehensive Income (Loss), Net of Tax	Retained Earnings	Total	Noncontrolling Interests
Balance at May. 31, 2023	$ 1,154.6	$ 0.0	$ 0.0	$ 1,031.1	$ (2.1)	$ 0.0	$ 1,029.0	$ 125.6
Balance (in shares) at May. 31, 2023		0
Net earnings	62.1			58.5			58.5	3.6
Other comprehensive income (loss)	(8.2)				(8.2)		(8.2)
Transfers from the Former Parent, net	40.8			40.8			40.8
Dividends to noncontrolling interests	(1.9)							(1.9)
Balance at Aug. 31, 2023	1,247.4	$ 0.0	0.0	1,130.4	(10.3)	0.0	1,120.1	127.3
Balance (in shares) at Aug. 31, 2023		0
Balance at May. 31, 2023	1,154.6	$ 0.0	0.0	1,031.1	(2.1)	0.0	1,029.0	125.6
Balance (in shares) at May. 31, 2023		0
Net earnings	60.0
Other comprehensive income (loss)	2.9
Balance at Nov. 30, 2023	1,171.5	$ 0.0	0.0	1,039.5	0.8	0.0	1,040.3	131.2
Balance (in shares) at Nov. 30, 2023		0
Balance at Aug. 31, 2023	1,247.4	$ 0.0	0.0	1,130.4	(10.3)	0.0	1,120.1	127.3
Balance (in shares) at Aug. 31, 2023		0
Net earnings	(2.1)			(6.0)			(6.0)	3.9
Other comprehensive income (loss)	11.1				11.1		11.1
Transfers from the Former Parent, net	(84.9)			(84.9)			(84.9)
Balance at Nov. 30, 2023	1,171.5	$ 0.0	0.0	1,039.5	0.8	0.0	1,040.3	131.2
Balance (in shares) at Nov. 30, 2023		0
Balance at May. 31, 2024	1,117.5	$ 0.0	905.3	0.0	(6.1)	86.1	985.3	132.2
Balance (in shares) at May. 31, 2024		49,331,514
Net earnings	32.2					28.4	28.4	3.8
Other comprehensive income (loss)	2.2				2.2		2.2
Common shares issued, net of withholding tax	(1.6)		(1.6)				(1.6)
Common shares issued, net of withholding tax (in shares)		93,217
Stock-based compensation	3.0		3.0				3.0
Dividends to noncontrolling interests	(1.9)							(1.9)
Cash dividends declared ($0.16) per common share	(8.2)					(8.2)	(8.2)
Balance at Aug. 31, 2024	1,143.2	$ 0.0	906.7	0.0	(3.9)	106.3	1,009.1	134.1
Balance (in shares) at Aug. 31, 2024		49,424,731
Balance at May. 31, 2024	1,117.5	$ 0.0	905.3	0.0	(6.1)	86.1	985.3	132.2
Balance (in shares) at May. 31, 2024		49,331,514
Net earnings	48.3
Other comprehensive income (loss)	(3.7)
Balance at Nov. 30, 2024	1,145.1	$ 0.0	909.6	0.0	(9.8)	111.0	1,010.8	134.3
Balance (in shares) at Nov. 30, 2024		49,482,982
Balance at Aug. 31, 2024	1,143.2	$ 0.0	906.7	0.0	(3.9)	106.3	1,009.1	134.1
Balance (in shares) at Aug. 31, 2024		49,424,731
Net earnings	16.1					12.8	12.8	3.3
Other comprehensive income (loss)	(5.9)				(5.9)		(5.9)
Common shares issued, net of withholding tax	(0.1)		(0.1)				(0.1)
Common shares issued, net of withholding tax (in shares)		58,251
Theoretical Common Shares in Non-Qualified Deferred Compensation Plans	0.1		0.1				0.1
Stock-based compensation	2.9		2.9				2.9
Dividends to noncontrolling interests	(3.1)							(3.1)
Cash dividends declared ($0.16) per common share	(8.1)					(8.1)	(8.1)
Balance at Nov. 30, 2024	$ 1,145.1	$ 0.0	$ 909.6	$ 0.0	$ (9.8)	$ 111.0	$ 1,010.8	$ 134.3
Balance (in shares) at Nov. 30, 2024		49,482,982