CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 580,908	$ 233,401
Restricted cash	1,761,446	0
Accounts receivable	801,193	800,619
Unbilled accounts receivable	345,585	366,168
Inventories	844,886	742,634
Other assets	115,649	122,291
Total current assets	4,449,667	2,265,113
Property, plant and equipment	1,036,550	1,026,046
Accumulated depreciation	(472,813)	(452,074)
Property, plant and equipment, net	563,737	573,972
Other Assets
Goodwill	2,396,544	2,460,103
Other intangibles, net	1,129,880	1,204,432
Other noncurrent assets	109,406	76,360
Total other assets	3,635,830	3,740,895
Total Assets	8,649,234	6,579,980
Current Liabilities
Accounts payable	589,449	552,525
Customer deposits	373,538	369,716
Accrued compensation	173,183	164,210
Accrued warranty	135,636	137,542
Current portion of long-term debt	64,099	47,225
Other accrued liabilities	310,785	302,112
Total current liabilities	1,646,690	1,573,330
Long-term debt	3,792,774	1,823,303
Accrued postretirement and pension benefits	95,446	103,734
Deferred income taxes	198,269	175,902
Accrued warranty	18,066	15,521
Other long-term liabilities	28,914	59,658
Total liabilities	5,780,159	3,751,448
Commitment and Contingencies (Note 21)
Equity
Preferred stock, 1,000,000 shares authorized, no shares issued	0	0
Common stock, $.01 par value; 500,000,000 and 200,000,000 shares authorized: 132,349,534 shares issued and 96,614,946 and 96,034,352 outstanding at December 31, 2018 and December 31, 2017, respectively	1,323	1,323
Additional paid-in capital	914,568	906,616
Treasury stock, at cost, 35,734,588 and 36,315,182 shares, at December 31, 2018 and December 31, 2017, respectively	(816,145)	(827,379)
Retained earnings	3,021,968	2,773,300
Accumulated other comprehensive loss	(256,583)	(44,992)
Total Westinghouse Air Brake Technologies Corporation shareholders' equity	2,865,131	2,808,868
Noncontrolling interest	3,944	19,664
Total equity	2,869,075	2,828,532
Total Liabilities and Equity	$ 8,649,234	$ 6,579,980

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