Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Feb. 28, 2026	Feb. 28, 2025
Cash flows used in operating activities:
Net income (loss)	$ 137.0	$ (21.5)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	51.1	41.5
Amortization of financing costs	2.4	2.0
Stock-based compensation expense	13.3	15.6
Impairment charge		63.0
Bargain purchase gain	(35.7)
Gain on sale of building	(9.8)
Earnings from joint ventures	(4.3)	(4.7)
Provision for (Recovery of) credit losses	2.2	(0.3)
Gain on sale of business	(1.0)
Changes in certain assets and liabilities, net of acquisitions:
Accounts receivable	(35.1)	(42.2)
Contract assets	14.2	(37.8)
Inventories	(65.5)	(76.6)
Prepaid expenses and other current assets	(18.5)	(16.9)
Rotable assets supporting long-term programs	(25.6)	(24.2)
Accounts payable	(17.5)	51.7
Accrued and other liabilities	42.6	19.8
Other	(6.4)	15.3
Net cash provided by (used in) operating activities	43.4	(15.3)
Cash flows used in investing activities:
Property, plant, and equipment expenditures	(24.6)	(24.7)
Acquisitions, net of cash acquired	(222.0)	2.9
Proceeds from sale of building	24.8	4.7
Hangar expansion activity, net	(24.5)	(1.6)
Other	(5.5)	1.8
Net cash used in investing activities	(251.8)	(16.9)
Cash flows provided by financing activities:
Proceeds from equity offering, net	273.9
Proceeds from long - term borrowings, net	153.0
Short-term borrowings (repayments), net	(232.0)	35.0
Financing costs	(2.5)	(0.1)
Stock compensation activity	6.9	2.1
Net cash provided by financing activities	199.3	37.0
Increase (Decrease) in cash, cash equivalents, and restricted cash	(9.1)	4.8
Cash, cash equivalents, and restricted cash at beginning of period	109.2	96.1
Cash, cash equivalents, and restricted cash at end of period	$ 100.1	$ 100.9