Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Sales:
Sales	$ 845.1	$ 678.2	$ 2,380.0	$ 2,026.0
Cost of sales:
Cost of sales	690.4	546.5	1,934.7	1,648.5
Gross profit	154.7	131.7	445.3	377.5
Provision for (Recovery of) credit losses	0.5	(0.2)	2.2	(0.3)
Selling, general and administrative	89.8	61.3	249.7	270.3
Earnings (Loss) from joint ventures	1.4	0.5	4.3	4.7
Operating income	65.8	71.1	197.7	112.2
Bargain purchase gain	35.7		35.7
Gain on sale of headquarters building	9.8		9.8
Gain (Loss) related to sale and exit of businesses	(0.4)	(64.0)	0.2	(65.3)
Other expense, net	(0.7)	(0.1)	(1.0)	(0.4)
Interest expense	(17.5)	(18.5)	(55.4)	(56.6)
Interest income	0.4	0.4	1.2	1.4
Income (Loss) before income taxes	93.1	(11.1)	188.2	(8.7)
Income tax expense (benefit)	25.1	(2.2)	51.2	12.8
Net income (loss)	$ 68.0	$ (8.9)	$ 137.0	$ (21.5)
Earnings per share
Earnings (Loss) per share - basic (in dollars per share)	$ 1.72	$ (0.25)	$ 3.61	$ (0.61)
Earnings (Loss) per share - diluted (in dollars per share)	$ 1.71	$ (0.25)	$ 3.59	$ (0.61)
Share data used for earnings per share:
Weighted average shares outstanding - basic (in shares)	39.3	35.4	37.8	35.4
Weighted average shares outstanding - diluted (in shares)	39.5	35.4	38.0	35.4
Products
Sales:
Sales	$ 539.5	$ 416.6	$ 1,536.6	$ 1,235.5
Cost of sales:
Cost of sales	440.2	332.1	1,254.1	1,008.4
Services
Sales:
Sales	305.6	261.6	843.4	790.5
Cost of sales:
Cost of sales	$ 250.2	$ 214.4	$ 680.6	$ 640.1