CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 245,574	$ 233,401
Accounts receivable	835,150	800,619
Unbilled accounts receivable	378,084	366,168
Inventories	863,793	742,634
Other current assets	124,286	122,291
Total current assets	2,446,887	2,265,113
Property, plant and equipment	1,009,198	1,026,046
Accumulated depreciation	(453,364)	(452,074)
Property, plant and equipment, net	555,834	573,972
Other Assets
Goodwill	2,428,591	2,460,103
Other intangibles, net	1,174,400	1,204,432
Other noncurrent assets	71,894	76,360
Total other assets	3,674,885	3,740,895
Total Assets	6,677,606	6,579,980
Current Liabilities
Accounts payable	615,677	552,525
Customer deposits	390,126	369,716
Accrued compensation	163,580	164,210
Accrued warranty	137,064	137,542
Current portion of long-term debt	27,115	47,225
Other accrued liabilities	272,906	302,112
Total current liabilities	1,606,468	1,573,330
Long-term debt	1,857,806	1,823,303
Accrued postretirement and pension benefits	98,742	103,734
Deferred income taxes	155,611	175,902
Accrued warranty	16,778	15,521
Other long-term liabilities	67,573	59,658
Total Liabilities	3,802,978	3,751,448
Commitments and contingencies (Note 15)
Equity
Preferred stock, 1,000,000 shares authorized, no shares issued	0	0
Common stock, $0.01 par value; 200,000,000 shares authorized: xxx shares issued and xxx and 96,034,352 outstanding at June 30, 2018 and December 31, 2017, respectively	1,323	1,323
Additional paid-in capital	910,350	906,616
Treasury stock, at cost, xxx and 36,315,182 shares, at June 30, 2018 and December 31, 2017, respectively	(821,178)	(827,379)
Retained earnings	2,922,986	2,773,300
Accumulated other comprehensive loss	(156,201)	(44,992)
Total Westinghouse Air Brake Technologies Corporation shareholders' equity	2,857,280	2,808,868
Noncontrolling interest	17,348	19,664
Total Equity	2,874,628	2,828,532
Total Liabilities and Equity	$ 6,677,606	$ 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).

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- 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.