Debt - Schedule of Maturities of Long-term Debt (Detail) $ in Millions	Nov. 30, 2025 USD ($)
Debt Disclosure [Abstract]
Year 1	$ 30.4
Year 2	7.7
Year 3	6.6
Year 4	5.4
Year 5	3.2
Thereafter	18.8
Total	$ 72.1

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

Worthington Steel, Inc. 10-Q