Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 68,484	$ 40,326
Accounts receivable, net (Note 5)	2,368,597	1,598,015
Inventories, net	125,815	76,992
Prepaid expenses	58,767	101,270
Other current assets	47,299	35,763
Total current assets	2,668,962	1,852,366
Property and equipment, net	736,447	706,506
Goodwill, net	1,149,795	1,137,738
Other intangible assets, net	177,211	191,142
Other long-term assets	242,391	178,824
Total assets	4,974,806	4,066,576
Current liabilities:
Current portion of long-term debt	83,495	87,866
Accounts payable	744,305	377,954
Accrued salaries and wages	123,654	89,087
Other accrued expenses	146,252	148,971
Billings in excess of costs and earnings	189,302	194,494
Other current liabilities	85,489	65,455
Total current liabilities	1,372,497	963,827
Long-term debt	1,688,820	1,280,706
Deferred income taxes	258,905	204,518
Other long-term liabilities	164,764	184,172
Total liabilities	3,484,986	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 - 91,104,071 and 90,935,584 (including 1,460,882 and 1,421,041 of unvested stock awards) as of September 30, 2018 and December 31, 2017, respectively	9,110	9,094
Capital surplus	788,473	775,387
Retained earnings	1,086,434	857,154
Accumulated other comprehensive loss	(50,867)	(63,712)
Treasury stock, at cost: 12,440,108 and 8,132,811 shares as of September 30, 2018 and December 31, 2017, respectively	(345,572)	(147,124)
Total MasTec, Inc. shareholders’ equity	1,487,578	1,430,799
Non-controlling interests	2,242	2,554
Total equity	1,489,820	1,433,353
Total liabilities and equity	$ 4,974,806	$ 4,066,576