Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 20,684	$ 40,326
Accounts receivable, net (Note 5)	2,077,487	1,598,015
Inventories, net	100,231	76,992
Prepaid expenses	43,216	101,270
Other current assets	40,152	35,763
Total current assets	2,281,770	1,852,366
Property and equipment, net	739,425	706,506
Goodwill, net	1,146,599	1,137,738
Other intangible assets, net	181,515	191,142
Other long-term assets	232,848	178,824
Total assets	4,582,157	4,066,576
Current liabilities:
Current portion of long-term debt	84,215	87,866
Accounts payable	544,398	377,954
Accrued salaries and wages	108,647	89,087
Other accrued expenses	187,394	148,971
Billings in excess of costs and earnings	243,224	194,494
Other current liabilities	84,899	65,455
Total current liabilities	1,252,777	963,827
Long-term debt	1,532,978	1,280,706
Deferred income taxes	206,411	204,518
Other long-term liabilities	159,593	184,172
Total liabilities	3,151,759	2,633,223
Commitments and contingencies (Note 14)
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 - 91,080,280 and 90,935,584 (including 1,480,582 and 1,421,041 of unvested stock awards) as of June 30, 2018 and December 31, 2017, respectively	9,108	9,094
Capital surplus	783,825	775,387
Retained earnings	965,768	857,154
Accumulated other comprehensive loss	(55,234)	(63,712)
Treasury stock, at cost: 10,835,749 and 8,132,811 shares as of June 30, 2018 and December 31, 2017, respectively	(275,435)	(147,124)
Total MasTec, Inc. shareholders’ equity	1,428,032	1,430,799
Non-controlling interests	2,366	2,554
Total equity	1,430,398	1,433,353
Total liabilities and equity	$ 4,582,157	$ 4,066,576