CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2015
Sales:
Sales from products	$ 956.6	$ 934.4	$ 916.7
Sales from services	811.0	764.5	704.7
Total sales	1,767.6	1,698.9	1,621.4
Cost and operating expenses:
Cost of products	800.7	787.4	891.0
Cost of services	690.4	673.6	599.6
Selling, general and administrative	196.7	173.2	172.4
Total costs and operating expenses	1,687.8	1,634.2	1,663.0
Earnings (Loss) from joint ventures	(0.2)	(0.3)	0.2
Operating income (loss)	79.6	64.4	(41.4)
Loss on extinguishment of debt		(0.4)	(44.9)
Interest expense	(5.5)	(6.4)	(27.2)
Interest income	0.2	0.3	0.3
Income (Loss) from continuing operations before provision for income taxes	74.3	57.9	(113.2)
Provision for income tax (benefit)	24.1	19.6	(39.3)
Income (Loss) from continuing operations	50.2	38.3	(73.9)
Income from discontinue operations attributable to AAR	6.3	9.4	84.1
Net income attributable to AAR	$ 56.5	$ 47.7	$ 10.2
Earnings per share - basic:
Earnings (Loss) from continuing operations	$ 1.47	$ 1.10	$ (1.90)
Earnings from discontinued operations	0.19	0.27	2.16
Earnings per share - basic	1.66	1.37	0.26
Earnings per share - diluted:
Earnings (Loss) from continuing operations	1.45	1.10	(1.90)
Earnings from discontinued operations	0.19	0.27	2.14
Earnings per share - diluted	$ 1.64	$ 1.37	$ 0.24