CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 512,870	$ 580,908
Restricted cash	0	1,761,446
Accounts receivable	1,271,198	801,193
Unbilled accounts receivable	455,626	345,585
Inventories	1,947,220	844,886
Other current assets	194,223	115,649
Total current assets	4,381,137	4,449,667
Property, plant and equipment	2,133,778	1,036,550
Accumulated depreciation	(498,812)	(472,813)
Property, plant and equipment, net	1,634,966	563,737
Other Assets
Goodwill	8,142,473	2,396,544
Other intangibles, net	4,364,021	1,129,880
Other noncurrent assets	555,308	109,406
Total other assets	13,061,802	3,635,830
Total Assets	19,077,905	8,649,234
Current Liabilities
Accounts payable	1,187,261	589,449
Customer deposits	573,244	373,538
Accrued compensation	273,449	173,183
Accrued warranty	217,752	135,636
Current portion of long-term debt	321,308	64,099
Other accrued liabilities	681,421	310,785
Total current liabilities	3,254,435	1,646,690
Long-term debt	4,641,286	3,792,774
Accrued postretirement and pension benefits	96,533	95,446
Deferred income taxes	176,116	198,269
Accrued warranty	31,563	18,066
Other long-term liabilities	1,097,526	28,914
Total Liabilities	9,297,459	5,780,159
Commitments and contingencies (Note 16)
Equity
Convertible preferred stock, $0.01 par value; 1,000,000 shares authorized, 10,000 and no shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	0	0
Common stock, $0.01 par value; 500,000,000 shares authorized: 198,131,716 and 132,349,534 shares issued and 162,817,600 and 96,614,966 outstanding at March 31, 2019 and December 31, 2018, respectively	1,981	1,323
Additional paid-in capital	7,796,270	914,568
Treasury stock, at cost, 35,314,116 and 35,734,588 shares, at March 31, 2019 and December 31, 2018, respectively	(807,214)	(816,145)
Retained earnings	3,005,809	3,021,968
Accumulated other comprehensive income (loss)	(309,000)	(256,583)
Total Westinghouse Air Brake Technologies Corporation shareholders' equity	9,687,846	2,865,131
Noncontrolling interest	92,600	3,944
Total Equity	9,780,446	2,869,075
Total Liabilities and Equity	$ 19,077,905	$ 8,649,234

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).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682