CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 228,080	$ 398,484
Accounts receivable	792,726	667,596
Unbilled accounts receivable	351,613	274,912
Inventories	764,781	658,510
Deposit in escrow	0	744,748
Other current assets	139,925	123,381
Total current assets	2,277,125	2,867,631
Property, plant and equipment	988,223	912,230
Accumulated depreciation	(437,856)	(393,854)
Property, plant and equipment, net	550,367	518,376
Other Assets
Goodwill	2,384,758	2,078,765
Other intangibles, net	1,140,387	1,053,860
Other noncurrent assets	97,013	62,386
Total other assets	3,622,158	3,195,011
Total Assets	6,449,650	6,581,018
Current Liabilities
Accounts payable	512,905	530,211
Customer deposits	373,815	256,591
Accrued compensation	151,952	145,324
Accrued warranty	134,964	123,190
Current portion of long-term debt	49,748	129,809
Other accrued liabilities	242,056	261,514
Total current liabilities	1,465,440	1,446,639
Long-term debt	1,824,156	1,762,967
Accrued postretirement and pension benefits	108,182	110,597
Deferred income taxes	282,557	245,680
Accrued warranty	13,800	15,802
Other long-term liabilities	19,146	22,508
Total Liabilities	3,713,281	3,604,193
Commitments and contingent liabilities
Equity
Preferred stock, 1,000,000 shares authorized, no shares issued	0	0
Common stock, $0.01 par value; 200,000,000 shares authorized: 132,349,534 shares issued and 95,999,582 and 95,425,432 outstanding at September 30, 2017 and December 31, 2016, respectively	1,323	1,323
Additional paid-in capital	900,536	869,951
Treasury stock, at cost, 36,349,952 and 36,924,102 shares, at September 30, 2017 and December 31, 2016, respectively	(828,103)	(838,950)
Retained earnings	2,735,876	2,553,258
Accumulated other comprehensive loss	(91,930)	(379,605)
Total Westinghouse Air Brake Technologies Corporation shareholders' equity	2,717,702	2,205,977
Noncontrolling interest	18,667	770,848
Total Equity	2,736,369	2,976,825
Total Liabilities and Equity	$ 6,449,650	$ 6,581,018

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.