Commitments And Contingencies	3 Months Ended
Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Environmental Proceedings Our operations are subject to environmental laws and regulations governing air emissions, wastewater discharges, the handling, storage, disposal and remediation of hazardous substances and wastes and employee health and safety. These laws can impose joint and several liability for releases or threatened releases of hazardous substances upon statutorily defined parties, including us, regardless of fault or the lawfulness of the original activity or disposal. Given the changing nature of environmental legal requirements, we may be required, from time to time, to take environmental control measures at some of our facilities to meet future requirements. We have been named as a potentially responsible party in certain proceedings initiated pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act and similar state statutes and may be named a potentially responsible party in other similar proceedings in the future. It is not anticipated that the costs incurred in connection with the presently pending proceedings will, individually or in the aggregate, have a material adverse effect on our financial position, results of operations or cash flows. We are performing operations and maintenance at two Superfund sites for matters arising out of past waste disposal activity associated with closed facilities. We are also under orders to perform environmental remediation by agencies in four states and one non-U.S. country at seven sites. Our reserves for environmental remediation liabilities totaled $21.9 and $22.1 at March 31, 2018 and December 31, 2017, respectively, and have been classified as “Other long-term liabilities” and “Accrued liabilities” in the Consolidated Balance Sheet. Of the environmental liabilities recorded at March 31, 2018 and December 31, 2017, $10.1 and $10.2, respectively, are subject to indemnification by third parties. In addition to environmental liabilities, we have recorded asset retirement obligations associated with legal requirements related to the retirement of certain assets. Our total asset retirement obligations were $6.2 and $6.1 at March 31, 2018 and December 31, 2017, respectively. The amounts represent the most probable costs of remedial actions. We estimate the costs related to currently identified remedial actions will be paid out primarily over the next 10 years. Legal Proceedings We are party to routine litigation and proceedings as part of the ordinary course of business and do not believe that the outcome of any existing proceedings would have a material adverse effect on our financial position, results of operations or cash flows. We have established accruals for those loss contingencies, including litigation and environmental contingencies, for which it has been determined that a loss is probable; none of such loss contingencies is material. For those loss contingencies, including litigation and environmental contingencies, which have been determined to be reasonably possible, an estimate of the possible loss or range of loss cannot be determined because the claims, amount claimed, facts or legal status are not sufficiently developed or advanced in order to make such a determination. While we cannot estimate the loss or range of loss at this time, we do not believe that the outcome of any of these existing proceedings would be material to our financial position, results of operations or cash flows.

COMMITMENTS AND CONTINGENCIES

Environmental Proceedings

Our operations are subject to environmental laws and regulations governing air emissions, wastewater discharges, the handling, storage, disposal and remediation of hazardous substances and wastes and employee health and safety. These laws can impose joint and several liability for releases or threatened releases of hazardous substances upon statutorily defined parties, including us, regardless of fault or the lawfulness of the original activity or disposal. Given the changing nature of environmental legal requirements, we may be required, from time to time, to take environmental control measures at some of our facilities to meet future requirements.

We have been named as a potentially responsible party in certain proceedings initiated pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act and similar state statutes and may be named a potentially responsible party in other similar proceedings in the future. It is not anticipated that the costs incurred in connection with the presently pending proceedings will, individually or in the aggregate, have a material adverse effect on our financial position, results of operations or cash flows.

We are performing operations and maintenance at two Superfund sites for matters arising out of past waste disposal activity associated with closed facilities. We are also under orders to perform environmental remediation by agencies in four states and one non-U.S. country at seven sites.

Our reserves for environmental remediation liabilities totaled $21.9 and $22.1 at March 31, 2018 and December 31, 2017, respectively, and have been classified as “Other long-term liabilities” and “Accrued liabilities” in the Consolidated Balance Sheet. Of the environmental liabilities recorded at March 31, 2018 and December 31, 2017, $10.1 and $10.2, respectively, are subject to indemnification by third parties.

In addition to environmental liabilities, we have recorded asset retirement obligations associated with legal requirements related to the retirement of certain assets. Our total asset retirement obligations were $6.2 and $6.1 at March 31, 2018 and December 31, 2017, respectively. The amounts represent the most probable costs of remedial actions. We estimate the costs related to currently identified remedial actions will be paid out primarily over the next 10 years.

Legal Proceedings

We are party to routine litigation and proceedings as part of the ordinary course of business and do not believe that the outcome of any existing proceedings would have a material adverse effect on our financial position, results of operations or cash flows. We have established accruals for those loss contingencies, including litigation and environmental contingencies, for which it has been determined that a loss is probable; none of such loss contingencies is material. For those loss contingencies, including litigation and environmental contingencies, which have been determined to be reasonably possible, an estimate of the possible loss or range of loss cannot be determined because the claims, amount claimed, facts or legal status are not sufficiently developed or advanced in order to make such a determination. While we cannot estimate the loss or range of loss at this time, we do not believe that the outcome of any of these existing proceedings would be material to our financial position, results of operations or cash flows.