Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Sales:
Sales from products	$ 275.1	$ 242.7	$ 764.8	$ 679.1
Sales from services	181.2	164.5	510.0	461.2
Total sales	456.3	407.2	1,274.8	1,140.3
Cost and operating expenses:
Cost of products	224.0	202.3	620.3	570.6
Cost of services	154.7	138.4	444.6	384.2
Selling, general and administrative	53.4	43.1	146.7	126.6
Total costs and operating expenses	432.1	383.8	1,211.6	1,081.4
Operating income	24.2	23.4	63.2	58.9
Interest expense	(2.2)	(1.4)	(5.8)	(3.8)
Interest income		0.1	0.1	0.1
Other expense	(0.5)		(0.5)
Income from continuing operations before provision for income taxes (benefit)	21.5	22.1	57.0	55.2
Provision for income taxes (benefit)	(9.8)	7.7	1.4	19.5
Income from continuing operations	31.3	14.4	55.6	35.7
Loss from discontinued operations, net of tax	(15.8)	(0.7)	(52.0)	(0.4)
Net income	$ 15.5	$ 13.7	$ 3.6	$ 35.3
Earnings per share - basic:
Earnings from continuing operations	$ 0.91	$ 0.43	$ 1.62	$ 1.05
Loss from discontinued operations	(0.46)	(0.02)	(1.52)	(0.01)
Earnings per share - basic	0.45	0.41	0.10	1.04
Earnings per share - diluted:
Earnings from continuing operations	0.90	0.42	1.60	1.04
Loss from discontinued operations	(0.46)	(0.02)	(1.52)	(0.01)
Earnings per share - diluted	$ 0.44	$ 0.40	$ 0.08	$ 1.03