Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 4,755	$ 24,059
Accounts receivable, net of allowance	1,126,927	1,303,552
Inventories, net	103,299	112,804
Prepaid expenses and other current assets	119,284	91,336
Total current assets	1,354,265	1,531,751
Property and equipment, net	614,826	623,118
Goodwill	1,073,110	1,082,466
Other intangible assets, net	230,076	250,373
Other long-term assets	84,626	76,272
Total assets	3,356,903	3,563,980
Current liabilities:
Current maturities of long-term debt	78,362	73,631
Accounts payable	434,436	485,347
Accrued salaries and wages	73,023	60,528
Other accrued expenses	89,665	89,343
Acquisition-related contingent consideration, current	20,595	49,798
Billings in excess of costs and earnings	121,854	155,674
Other current liabilities	35,033	66,527
Total current liabilities	852,968	980,848
Acquisition-related contingent consideration, net of current portion	87,075	103,515
Long-term debt	1,136,783	1,061,159
Long-term deferred tax liabilities, net	189,824	203,476
Other long-term liabilities	63,102	66,907
Total liabilities	$ 2,329,752	$ 2,415,905
Commitments and contingencies (See Note 15)
Equity
Preferred stock, $1.00 par value: authorized shares - 5,000,000; issued and outstanding shares - none	$ 0	$ 0
Common stock, $0.10 par value: authorized shares - 145,000,000; issued shares - 87,933,751 and 87,614,955 as of June 30, 2015 and December 31, 2014, respectively	8,793	8,762
Capital surplus	764,661	756,688
Retained earnings	447,824	457,788
Accumulated other comprehensive loss	(52,723)	(34,004)
Treasury stock, at cost: 8,094,004 and 2,876,311 shares as of June 30, 2015 and December 31, 2014, respectively	(145,573)	(45,573)
Total MasTec, Inc. shareholders' equity	1,022,982	1,143,661
Non-controlling interests	4,169	4,414
Total equity	1,027,151	1,148,075
Total liabilities and equity	$ 3,356,903	$ 3,563,980

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.