Commitments and Contingencies	9 Months Ended
Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies The Company is subject to legal proceedings, claims, investigations and inquiries that arise in the ordinary course of business such as, but not limited to, actions with respect to commercial, intellectual property, employment, personal injury, and environmental matters. The Company believes that it has meritorious defenses against the claims currently asserted against it and intends to defend them vigorously. While the outcome of litigation is inherently uncertain and the Company cannot be sure that it will prevail in any of the cases, subject to the matter referenced below, the Company is not aware of any matters pending that are expected to have a material adverse effect on the Company’s business, financial position, results of operations or cash flows. Lydall Gerhardi GmbH & Co. KG ("Lydall Gerhardi"), which is an indirect wholly-owned subsidiary of the Company and part of the Thermal/Acoustical Metals segment, is cooperating with the German Federal Cartel Office (Bundeskartellamt) in connection with an investigation, initiated in the second quarter of 2014, relating to possible violations of German anti-trust laws by and among certain European automotive heat shield manufacturers, including Lydall Gerhardi. The Company conducted an internal investigation utilizing outside counsel. In the course of this internal investigation, the Company discovered instances of inappropriate conduct by certain German employees of Lydall Gerhardi. The Company disclosed its findings in an application for leniency submitted to the German Federal Cartel Office on July 22, 2014. The Company has taken, and will continue to take as necessary, remedial actions. The German Federal Cartel Office has wide discretion in fixing the amount of a fine, up to a maximum fine of ten percent (10%) of the Company’s annual revenue of the year preceding the year in which the fine is imposed. The Company believes a loss is probable and that such loss may be incurred in 2016. However, in light of the uncertainties and variables involved, the Company remains unable to estimate the amount of the loss associated with this matter. There can be no assurance that this matter will not have a material adverse effect on the Company. Environmental Remediation The Company has elected to remediate environmental contamination discovered prior to the closing of the Texel acquisition at a certain property in the province of Quebec, Canada (“the Property”) that was acquired by Lydall. The Company records accruals for environmental costs when such losses are probable and reasonably estimable. While the Company is currently in the process of determining the final scope and timing of the remediation project, it estimates the cost of the remediation project to range between $0.9 million and $1.5 million based on information provided from and the results of investigatory work performed by a third party environmental service firm. Based upon this range of estimated remediation costs, the Company recorded an environmental liability of $0.9 million (which is fully offset as described below) within other long-term liabilities on the Company's balance sheet at September 30, 2016, representing the minimum amount in the range as no other amount within the range represents a better estimate at this time. Pursuant to the Share Purchase Agreement, ADS has agreed to indemnify the Company from all costs and liabilities associated with the contamination and remediation work, including the costs of preparation and approval of the remediation plan and other reports in relation therewith. This indemnity was secured by an environmental escrow account, which was established in the amount of $3.0 million Canadian Dollars ($2.3 million U.S. Dollars as of September 30, 2016). Should the costs and liabilities exceed the environmental escrow amount, the Company also has access to the general indemnity escrow account, which was established in the amount of $14.0 million Canadian Dollars ($10.7 million U.S. Dollars as of September 30, 2016). Based on the foregoing, an indemnification asset of $0.9 million was also recorded in other assets as the Company believes collection from ADS is probable. The accrual for remediation costs will be adjusted as further information develops, estimates change and payments to vendors are made for remediation, with an off-setting adjustment to the indemnification asset from ADS if collection is deemed probable.

Commitments and Contingencies

The Company is subject to legal proceedings, claims, investigations and inquiries that arise in the ordinary course of business such as, but not limited to, actions with respect to commercial, intellectual property, employment, personal injury, and environmental matters. The Company believes that it has meritorious defenses against the claims currently asserted against it and intends to defend them vigorously. While the outcome of litigation is inherently uncertain and the Company cannot be sure that it will prevail in any of the cases, subject to the matter referenced below, the Company is not aware of any matters pending that are expected to have a material adverse effect on the Company’s business, financial position, results of operations or cash flows.

Lydall Gerhardi GmbH & Co. KG ("Lydall Gerhardi"), which is an indirect wholly-owned subsidiary of the Company and part of the Thermal/Acoustical Metals segment, is cooperating with the German Federal Cartel Office (Bundeskartellamt) in connection with an investigation, initiated in the second quarter of 2014, relating to possible violations of German anti-trust laws by and among certain European automotive heat shield manufacturers, including Lydall Gerhardi.

The Company conducted an internal investigation utilizing outside counsel. In the course of this internal investigation, the Company discovered instances of inappropriate conduct by certain German employees of Lydall Gerhardi. The Company disclosed its findings in an application for leniency submitted to the German Federal Cartel Office on July 22, 2014. The Company has taken, and will continue to take as necessary, remedial actions.

The German Federal Cartel Office has wide discretion in fixing the amount of a fine, up to a maximum fine of ten percent (10%) of the Company’s annual revenue of the year preceding the year in which the fine is imposed. The Company believes a loss is probable and that such loss may be incurred in 2016. However, in light of the uncertainties and variables involved, the Company remains unable to estimate the amount of the loss associated with this matter. There can be no assurance that this matter will not have a material adverse effect on the Company.

Environmental Remediation

The Company has elected to remediate environmental contamination discovered prior to the closing of the Texel acquisition at a certain property in the province of Quebec, Canada (“the Property”) that was acquired by Lydall. The Company records accruals for environmental costs when such losses are probable and reasonably estimable. While the Company is currently in the process of determining the final scope and timing of the remediation project, it estimates the cost of the remediation project to range between $0.9 million and $1.5 million based on information provided from and the results of investigatory work performed by a third party environmental service firm. Based upon this range of estimated remediation costs, the Company recorded an environmental liability of $0.9 million (which is fully offset as described below) within other long-term liabilities on the Company's balance sheet at September 30, 2016, representing the minimum amount in the range as no other amount within the range represents a better estimate at this time.

Pursuant to the Share Purchase Agreement, ADS has agreed to indemnify the Company from all costs and liabilities associated with the contamination and remediation work, including the costs of preparation and approval of the remediation plan and other reports in relation therewith. This indemnity was secured by an environmental escrow account, which was established in the amount of $3.0 million Canadian Dollars ($2.3 million U.S. Dollars as of September 30, 2016). Should the costs and liabilities exceed the environmental escrow amount, the Company also has access to the general indemnity escrow account, which was established in the amount of $14.0 million Canadian Dollars ($10.7 million U.S. Dollars as of September 30, 2016). Based on the foregoing, an indemnification asset of $0.9 million was also recorded in other assets as the Company believes collection from ADS is probable. The accrual for remediation costs will be adjusted as further information develops, estimates change and payments to vendors are made for remediation, with an off-setting adjustment to the indemnification asset from ADS if collection is deemed probable.