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Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Claims have been filed against the Company and certain of its affiliates in various jurisdictions across the United States by persons alleging bodily injury as a result of exposure to asbestos-containing products. Further information and detail on these claims is described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016, in Note 19 therein, filed on February 28, 2017. During the first three months ended months of 2017, there were no material changes to the information described in the Form 10-K. From time to time, the Company is involved in litigation related to claims arising out of the Company's operations in the ordinary course of business, including claims based on product liability, contracts, intellectual property, or other causes of action. Further information and detail on any potentially material litigation is as described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016, in Note 19 therein, filed on February 28, 2017. Except as described below, there have been no material changes to the information described in the Form 10-K. On April 21, 2016, Siemens Industry, Inc. (Siemens) filed a lawsuit against the Company in federal district court in Delaware alleging that the Company has infringed seven (7) patents owned by Siemens, all of which are related to Positive Train Control technology. On November 2, 2016, Siemens amended its complaint to add six additional patents they also claim are infringed by the Company's Positive Train Control Products. The Company has filed answers, and asserted counterclaims, in response to Siemens' complaints. The case is still in the preliminary stages, but the Company has begun filing for Inter-Parties Review proceedings before the U.S. Patent & Trademark Office seeking to invalidate the Siemens patents. Wabtec believes the claims are without merit and is vigorously defending itself.