Basis of Financial Statement Presentation	6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]
Basis of Financial Statement Presentation	1. Basis of Financial Statement Presentation *Description of Business* Lydall, Inc. and its subsidiaries (collectively, the “Company” or “Lydall”) design and manufacture specialty engineered filtration media, industrial thermal insulating solutions, automotive thermal and acoustical barriers, medical filtration media and devices and biopharmaceutical processing components for thermal/acoustical, filtration/separation, and bio/medical applications. *Basis of Presentation* The accompanying Condensed Consolidated Financial Statements include the accounts of Lydall, Inc. and its subsidiaries. All financial information is unaudited for the interim periods reported. All significant intercompany transactions have been eliminated in the Condensed Consolidated Financial Statements. The Condensed Consolidated Financial Statements have been prepared, in all material respects, in accordance with the same accounting principles followed in the preparation of the Company’s annual financial statements for the year ended December 31, 2012. The year-end Condensed Consolidated Balance Sheet was derived from the December 31, 2012 audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America. Management believes that all adjustments, which include only normal recurring adjustments necessary for a fair statement of the Company’s consolidated financial position, results of operations and cash flows for the periods reported, have been included. For further information, refer to the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. *Recently Adopted Accounting Pronouncements* In December 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2011-11, Disclosures about Offsetting Assets and Liabilities, which amends ASC 210, Balance Sheet. This ASU requires entities to disclose gross and net information about both instruments and transactions eligible for offset in the statement of financial position and those subject to an agreement similar to a master netting arrangement. This would include derivatives and other financial securities arrangements. The effective date was January 1, 2013. The adoption of this ASU had no effect on the Company’s consolidated financial statements. In February 2013, the FASB issued ASU No. 2013-02, Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (Topic 220), which requires new disclosures about reclassifications from accumulated other comprehensive loss to net income. These disclosures may be presented on the face of the statements or in the notes to the consolidated financial statements. The ASU was effective for fiscal years beginning after December 15, 2012. The Company adopted this ASU and revised its disclosure, as required, beginning with the first quarter of 2013. See Note 12, Changes in Accumulated Other Comprehensive Income (Loss).

1. Basis of Financial Statement Presentation

Description of Business

Lydall, Inc. and its subsidiaries (collectively, the “Company” or “Lydall”) design and manufacture specialty engineered filtration media, industrial thermal insulating solutions, automotive thermal and acoustical barriers, medical filtration media and devices and biopharmaceutical processing components for thermal/acoustical, filtration/separation, and bio/medical applications.

Basis of Presentation

The accompanying Condensed Consolidated Financial Statements include the accounts of Lydall, Inc. and its subsidiaries. All financial information is unaudited for the interim periods reported. All significant intercompany transactions have been eliminated in the Condensed Consolidated Financial Statements. The Condensed Consolidated Financial Statements have been prepared, in all material respects, in accordance with the same accounting principles followed in the preparation of the Company’s annual financial statements for the year ended December 31, 2012. The year-end Condensed Consolidated Balance Sheet was derived from the December 31, 2012 audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America. Management believes that all adjustments, which include only normal recurring adjustments necessary for a fair statement of the Company’s consolidated financial position, results of operations and cash flows for the periods reported, have been included. For further information, refer to the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

Recently Adopted Accounting Pronouncements

In December 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2011-11, Disclosures about Offsetting Assets and Liabilities, which amends ASC 210, Balance Sheet. This ASU requires entities to disclose gross and net information about both instruments and transactions eligible for offset in the statement of financial position and those subject to an agreement similar to a master netting arrangement. This would include derivatives and other financial securities arrangements. The effective date was January 1, 2013. The adoption of this ASU had no effect on the Company’s consolidated financial statements.

In February 2013, the FASB issued ASU No. 2013-02, Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (Topic 220), which requires new disclosures about reclassifications from accumulated other comprehensive loss to net income. These disclosures may be presented on the face of the statements or in the notes to the consolidated financial statements. The ASU was effective for fiscal years beginning after December 15, 2012. The Company adopted this ASU and revised its disclosure, as required, beginning with the first quarter of 2013. See Note 12, Changes in Accumulated Other Comprehensive Income (Loss).