Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Cash flows provided from (used in) operating activities:
Net income (loss)	$ 32.3	$ (6.3)
Less: (Income) Loss from discontinued operations	(0.3)	6.8
Income from continuing operations	32.0	0.5
Adjustments to reconcile income from continuing operations to net cash provided from (used in) operating activities:
Depreciation and intangible amortization	17.8	18.2
Stock-based compensation	4.7	4.5
Provision for doubtful accounts	0.8	4.4
Deferred tax provision	(0.1)	1.0
Loss from joint ventures	0.6	0.2
Loss on sale of business	1.3	19.5
Customer contract termination costs		2.2
Impairment charges	2.9	7.0
Changes in certain assets and liabilities:
Accounts receivable	(26.2)	(4.8)
Contract assets	3.2	(7.5)
Inventories	8.0	30.2
Prepaid expenses and other current assets	(8.7)	36.8
Rotable assets supporting long-term programs	1.8	(0.9)
Accounts payable	(2.3)	8.8
Accrued and other liabilities	0.9	0.2
Payroll Support Program deferred credit		23.6
Deferred revenue on long-term programs	0.7	(60.4)
Other	(4.0)	(16.1)
Net cash provided from operating activities - continuing operations	33.4	67.4
Net cash used in operating activities - discontinued operations	(14.2)	(1.9)
Net cash provided from operating activities	19.2	65.5
Cash flows provided from (used in) investing activities:
Property, plant and equipment expenditures	(6.0)	(6.0)
Proceeds from termination of life insurance policies		10.0
Proceeds from asset disposals	7.3	0.0
Investments in joint ventures	(4.0)	0.0
Proceeds from sale of business		1.6
Net cash provided from (used in) investing activities	(2.7)	5.6
Cash flows provided from (used in) financing activities:
Short-term borrowings, net	(5.0)	(390.0)
Repayment of long-term borrowings	(24.7)	0.0
Cash dividends		(0.1)
Stock compensation activity	(0.4)	(1.5)
Net cash used in financing activities	(30.1)	(382.9)
Effect of exchange rate changes on cash	(0.2)	0.1
Decrease in cash and cash equivalents	(13.8)	(311.7)
Cash, cash equivalents, and restricted cash at beginning of period	60.2	424.7
Cash, cash equivalents, and restricted cash at end of period	$ 46.4	113.0
Payroll Support Program Promissory Note
Cash flows provided from (used in) financing activities:
Proceeds from Payroll Support Program note		$ 8.7