Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2018	Nov. 30, 2017
Sales:
Sales	$ 493.3	$ 420.6	$ 959.6	$ 818.5
Cost and operating expenses:
Cost of products	415.0		810.1
Provision for doubtful accounts	12.4	0.1	13.0	0.3
Selling, general and administrative	49.1	48.8	97.3	93.1
Total cost and operating expenses	476.5	398.8	920.4	779.6
Operating income	16.8	21.8	39.2	38.9
Other income (expense), net	(0.2)		0.2
Interest expense	(2.5)	(1.9)	(4.6)	(3.6)
Interest income	0.1	0.1	0.6	0.1
Income from continuing operations before provision for income taxes	14.2	20.0	35.4	35.4
Provision for income taxes	3.0	6.8	5.3	11.2
Income from continuing operations	11.2	13.2	30.1	24.2
Loss from discontinued operations	(4.2)	(35.8)	(8.0)	(36.2)
Net income (loss)	$ 7.0	$ (22.6)	$ 22.1	$ (12.0)
Earnings (Loss) per share - basic
Earnings from continuing operations	$ 0.32	$ 0.39	$ 0.87	$ 0.71
Loss from discontinued operations	(0.12)	(1.05)	(0.23)	(1.06)
Earnings (Loss) per share - basic	0.20	(0.66)	0.64	(0.35)
Earnings (Loss) per share - diluted
Earnings from continuing operations	0.32	0.38	0.85	0.70
Loss from discontinued operations	(0.12)	(1.04)	(0.23)	(1.05)
Earnings (Loss) per share - diluted	$ 0.20	$ (0.66)	$ 0.62	$ (0.35)
Products
Sales:
Sales	$ 264.8	$ 248.6	$ 522.1	$ 489.6
Cost and operating expenses:
Cost of products	217.0	200.1	426.5	396.3
Services
Sales:
Sales	228.5	172.0	437.5	328.9
Cost and operating expenses:
Cost of products	$ 198.0	$ 149.8	$ 383.6	$ 289.9