CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2015
Cash flows provided from (used in) operating activities:
Net income	$ 56.5	$ 47.7	$ 10.4
Less: Income from discontinued operations	(6.3)	(9.4)	(84.3)
Income (Loss) from continuing operations	50.2	38.3	(73.9)
Adjustments to reconcile net income to net cash provided from (used in) operating activities:
Depreciation and intangible amortization	52.9	51.1	58.0
Impairment charges			53.0
Amortization of stock-based compensation	11.0	6.7	7.4
Amortization of overhaul costs	18.1	20.8	23.2
Deferred tax provision (benefit)	0.6	4.8	(52.6)
Gain on sale of product line	(2.6)
Loss on extinguishment of debt		0.4	44.9
Changes in certain assets and liabilities, net of acquisitions:
Accounts receivable	(4.0)	(14.1)	(6.5)
Inventories	(18.8)	(24.6)	(29.2)
Rotable spares and equipment on or available for short-term lease	2.3	(7.4)	6.6
Equipment on or available for long-term lease	(82.5)	(10.2)	6.2
Accounts and trade notes payable	14.1	19.9	3.0
Accrued and other liabilities	3.3	(30.2)	46.4
Other, primarily program and overhaul costs	(20.4)	(22.9)	(0.1)
Net cash provided from operating activities-continuing operations	24.2	32.6	86.4
Net cash used in operating activities-discontinued operations	(2.4)	(0.5)	(129.4)
Net cash provided from (used in) operating activities	21.8	32.1	(43.0)
Cash flows used in investing activities:
Property, plant and equipment expenditures	(33.6)	(88.9)	(42.1)
Proceeds from asset disposals	18.7	45.1	46.8
Payments for acquisitions	(12.5)	(4.8)	(1.0)
Other	(2.7)	1.0	3.5
Net cash provided by (used in) investing activities-continuing operations	(30.1)	(47.6)	7.2
Net cash provided from investing activities- discontinued operations		30.7	682.0
Net cash provided from (used in) investing activities	(30.1)	(16.9)	689.2
Cash flows used in financing activities:
Short-term borrowings (repayments), net	21.0	60.0	(80.0)
Reduction in long-term borrowings	(10.0)	(70.6)	(394.8)
Cash dividends	(10.2)	(10.4)	(11.9)
Premium paid on early retirement of debt			(45.6)
Purchase of treasury stock	(19.8)	(18.8)	(151.5)
Other	6.9	1.4	6.3
Net cash used in financing activities- continuing operations	(12.1)	(38.4)	(677.5)
Net cash used in financing activities - discontinued operations			(0.6)
Net cash used in financing activities	(12.1)	(38.4)	(678.1)
Effect of exchange rate changes on cash	(0.5)	(0.3)	(2.6)
Decrease in cash and cash equivalents	(20.9)	(23.5)	(34.5)
Cash and cash equivalents, beginning of year	31.2	54.7	89.2
Cash and cash equivalents, end of year	$ 10.3	$ 31.2	$ 54.7