Segment Information (Tables)

3 Months Ended

Aug. 31, 2025

Segment Reporting [Abstract]

Schedule of Significant Expenses Provided to CODM for Reportable Segment

The following table presents the significant expenses that are regularly provided to the CODM for the one reportable segment and the required disclosable amounts that are included in consolidated net earnings for the periods presented:

	Three Months Ended
	August 31,			August 31,
(In millions)	2025			2024
Net sales	$	872.9		$	834.0
Cost of goods sold:
Material cost		583.5			576.3
Direct labor, manufacturing expenses, and other (1)		174.2			157.3
Total cost of goods sold		757.7			733.6
Gross margin		115.2			100.4
Selling, general and administrative expense		67.9			57.0
Impairment of assets		-			-
Restructuring and other (income), net		(1.0	)		-
Operating income		48.3			43.4
Other income (expense):
Miscellaneous income (expense), net		0.2			(5.9	)
Interest expense, net		(2.9	)		(2.6	)
Equity in net income of unconsolidated affiliate		6.4			1.3
Earnings before income taxes		52.0			36.2
Income tax expense		13.4			4.0
Net earnings		38.6			32.2
Net earnings attributable to noncontrolling interests		1.8			3.8
Net earnings attributable to Worthington Steel	$	36.8		$	28.4
Deemed dividend of redeemable noncontrolling interest	$	0.5		$	-
Net earnings attributable to Worthington Steel shareholders	$	36.3		$	28.4

(1)Includes expenses related to manufacturing profit sharing and bonus.