Contingencies - Narrative (Details) $ in Millions	Sep. 30, 2026 USD ($)
Loss Contingencies [Line Items]
Loss Contingency, Receivable	$ 1.5
Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
Loss Contingencies [Line Items]
Loss Contingency Accrual	15.3
Ohio Train Derailment Litigation \| Ohio Train Derailment Litigation
Loss Contingencies [Line Items]
Loss Contingency Accrual	0.0
Environmental and Workplace Matters [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual	1.0
Minimum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	14.6
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 26.0

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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Amount of loss contingency liability.

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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