Undiscounted amount of the accrual for environmental loss contingencies.

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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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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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No definition available.

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Estimated time frame for resolution of the uncertainty as to the loss for an individual site.

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Environmental (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Environmental (Details) - USD ($) $ in Millions	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Loss Contingencies [Line Items]
Environmental remediation costs	$ 1.8	$ 3.3	$ 5.5	$ 4.9
Accrued environmental liability	109.9		$ 109.9		$ 110.2
Estimated time frame to remediate contigency			P30Y
Other Noncurrent Liabilities [Member]
Loss Contingencies [Line Items]
Accrued environmental liability	$ 92.4		$ 92.4		$ 93.8