CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income attributable to Wabtec shareholders	$ 258,994	$ 218,194
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	44,977	37,135
Stock-based compensation expense	19,107	17,596
Loss (gain) on disposal of property, plant and equipment	114	(641)
Excess income tax benefits from exercise of stock options	(2,739)	(9,445)
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable and unbilled accounts receivable	(89,359)	(167,175)
Inventories	(33,958)	29,025
Accounts payable	40,971	23,542
Accrued income taxes	16,355	(2,032)
Accrued liabilities and customer deposits	8,342	(45,407)
Other assets and liabilities	(32,640)	(15,796)
Net cash provided by operating activities	230,164	84,996
Investing Activities
Purchase of property, plant and equipment	(30,977)	(23,595)
Proceeds from disposal of property, plant and equipment	340	6,168
Acquisitions of businesses, net of cash acquired	(299,661)	(222,058)
Net cash used for investing activities	(330,298)	(239,485)
Financing Activities
Proceeds from debt	433,400	868,538
Payments of debt	(362,965)	(649,359)
Purchase of treasury stock	(26,757)	(5,486)
Proceeds from exercise of stock options and other benefit plans	3,044	4,736
Excess income tax benefits from exercise of stock options	2,739	9,445
Earn-out settlement	(4,429)
Cash dividends ($0.14 and $0.09 per share for the nine months ended September 30, 2014 and 2013, respectively)	(13,471)	(8,800)
Net cash provided by financing activities	31,561	219,074
Effect of changes in currency exchange rates	(4,646)	656
(Decrease) increase in cash	(73,219)	65,241
Cash, beginning of year	285,760	215,766
Cash, end of period	$ 212,541	$ 281,007