Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Sales:
Sales	$ 560.9	$ 493.3	$ 1,102.4	$ 959.6
Cost and operating expenses:
Provision for doubtful accounts	0.7	12.4	1.4	13.0
Selling, general and administrative	57.1	49.1	115.2	97.3
Total cost and operating expenses	532.8	476.5	1,051.5	920.4
Operating income	28.1	16.8	50.9	39.2
Other income (expense), net	(0.2)	(0.2)	(0.4)	0.2
Interest expense	(1.9)	(2.5)	(4.1)	(4.6)
Interest income	0.1	0.1	0.2	0.6
Income from continuing operations before provision for income taxes	26.1	14.2	46.6	35.4
Provision for income taxes	6.0	3.0	9.4	5.3
Income from continuing operations	20.1	11.2	37.2	30.1
Loss from discontinued operations, net of tax	(5.9)	(4.2)	(18.6)	(8.0)
Net income	$ 14.2	$ 7.0	$ 18.6	$ 22.1
Earnings per share - basic:
Earnings from continuing operations	$ 0.58	$ 0.32	$ 1.07	$ 0.87
Loss from discontinued operations	(0.17)	(0.12)	(0.54)	(0.23)
Earnings per share - basic	0.41	0.20	0.53	0.64
Earnings per share - diluted:
Earnings from continuing operations	0.57	0.32	1.06	0.85
Loss from discontinued operations	(0.17)	(0.12)	(0.53)	(0.23)
Earnings per share - diluted	$ 0.40	$ 0.20	$ 0.53	$ 0.62
Products
Sales:
Sales	$ 293.0	$ 264.8	$ 568.1	$ 522.1
Cost and operating expenses:
Cost	242.0	217.0	462.1	426.5
Services
Sales:
Sales	267.9	228.5	534.3	437.5
Cost and operating expenses:
Cost	$ 233.0	$ 198.0	$ 472.8	$ 383.6