Business	9 Months Ended
	Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	BUSINESS Westinghouse Air Brake Technologies Corporation (“Wabtec” or the "Company") is one of the world’s largest providers of value-added, technology-based equipment, systems and services for the global freight rail and passenger transit industries. Our highly engineered products enhance safety, improve productivity and reduce maintenance costs for customers and can be found on most locomotives, freight cars, passenger transit cars and buses around the world. Many of our core products and services are essential in the safe and efficient operation of freight rail and passenger transit vehicles. Wabtec is a global company with operations in over 50 countries and our products can be found in more than 100 countries throughout the world. In the first nine months of 2019, approximately 58% of the Company’s revenues came from customers outside the United States.