Loss related to pension settlement.

No definition available.

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- Definition

Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

+ References

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

+ Details

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- Definition

Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

+ References

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- Details

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- Details

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- Details

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Employee Benefits - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain				$ 0.3
Ryerson Canada Bargaining Unit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Loss on pension settlement	$ 2.2
Ryerson Canada Bargaining Unit Pension Plan [Member] \| Lump Sum Payments [Member]
Defined Benefit Plan Disclosure [Line Items]
Payment price for purchased annuities on behalf of participants	1.2
Ryerson Canada Bargaining Unit Pension Plan [Member] \| Plan Participants Annuities Purchased [Member]
Defined Benefit Plan Disclosure [Line Items]
Payment price for purchased annuities on behalf of participants	5.0
Central Steel and Wire Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain	$ 0.3	$ 0.5
Settlement gain			$ 0.5	1.1
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain				$ 0.2
Contribution to the pension plan fund			10.3
Anticipated minimum required pension contribution funding			$ 4.9