Combined Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Operating activities:
Net earnings (loss)	$ (2.1)	$ (12.5)	$ 60.0	$ 18.8
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	16.4	17.8	33.3	35.5
Impairment of long-lived assets	0.0	0.0	1.4	0.3
Benefit from deferred income taxes	(0.1)	(0.1)	(0.2)	(0.2)
Bad debt expense	0.3	1.0	(0.4)	1.3
Equity in net income of unconsolidated affiliate, net of distributions	(3.8)	(1.9)	(12.8)	(3.7)
Net gain on sale of assets	(0.4)	(3.8)	(0.4)	(3.8)
Stock-based compensation	3.3	2.5	6.1	4.8
Changes in assets and liabilities, net of impact of acquisitions:
Receivables	89.4	98.9	56.5	114.0
Inventories	91.5	86.9	48.3	145.1
Accounts payable	(53.5)	(84.4)	(49.9)	(176.1)
Accrued compensation and employee benefits	0.8	1.3	(2.7)	(5.5)
Other operating items, net	(1.9)	(2.4)	(20.0)	(13.0)
Net cash provided by operating activities	139.9	103.3	119.2	117.5
Investing activities:
Investment in property, plant and equipment	(18.9)	(14.5)	(36.2)	(25.6)
Proceeds from sale of assets, net of selling costs	0.8	23.2	0.8	23.2
Acquisitions, net of cash acquired	(21.0)	0.0	(21.0)	0.0
Net cash provided by (used in) investing activities	(39.1)	8.7	(56.4)	(2.4)
Financing activities:
Transfers to Worthington Enterprises, Inc., net	(88.8)	(75.3)	(51.4)	(39.2)
Proceeds from (repayment of) short-term borrowings	175.0	(10.6)	172.2	(43.1)
Principal payments on long-term obligations	0.0	(10.0)	0.0	(10.0)
Payments to noncontrolling interests	0.0	(11.8)	(1.9)	(11.8)
Net cash provided by (used in) financing activities	86.2	(107.7)	118.9	(104.1)
Increase (decrease) in cash and cash equivalents	187.0	4.3	181.7	11.0
Cash and cash equivalents at beginning of period	27.4	26.8	32.7	20.1
Cash and cash equivalents at end of period	$ 214.4	$ 31.1	$ 214.4	$ 31.1