The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting.

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Number of Joint Ventures

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Number of unconsolidated joint ventures.

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Number of years of service.

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Percentage of capital stock issued and outstanding.

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Significant Accounting Policies [Line Items]

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Description of Business and Basis of Presentation - Additional Information (Detail)		3 Months Ended
	Jun. 03, 2025	Aug. 31, 2025 Jointventure Segment
Significant Accounting Policies [Line Items]
Number of years of service		70 years
Number of operating segments \| Segment		1
Number of reportable segments \| Segment		1
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]		srt:ChiefExecutiveOfficerMember
Sitem Group
Significant Accounting Policies [Line Items]
Percentage of capital stock issued and outstanding	52.00%
Joint Venture Transactions
Significant Accounting Policies [Line Items]
Number of operating joint ventures \| Jointventure		4
Serviacero Worthington
Significant Accounting Policies [Line Items]
Number of unconsolidated joint ventures \| Jointventure		1
Percent of ownership own a noncontrolling interest held in unconsolidated joint venture		50.00%
Spartan \| Joint Venture Transactions
Significant Accounting Policies [Line Items]
Percent of controlling interest by the Company		52.00%
TWB \| Joint Venture Transactions
Significant Accounting Policies [Line Items]
Percent of controlling interest by the Company		55.00%
WSCP \| Joint Venture Transactions
Significant Accounting Policies [Line Items]
Percent of controlling interest by the Company		63.00%
WSP \| Joint Venture Transactions
Significant Accounting Policies [Line Items]
Percent of controlling interest by the Company		51.00%
Sitem Group \| Sitem Group
Significant Accounting Policies [Line Items]
Percentage of noncontrolling interest		48.00%
Sitem Group \| Joint Venture Transactions
Significant Accounting Policies [Line Items]
Percent of controlling interest by the Company		52.00%