Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 239,924	$ 423,118
Accounts receivable, net of allowance	956,973	784,488
Contract assets	1,166,183	969,743
Inventories, net	91,781	89,645
Prepaid expenses	74,224	60,631
Other current assets	59,334	31,390
Total current assets	2,588,419	2,359,015
Property and equipment, net	1,063,358	982,328
Operating lease assets	197,581	176,573
Goodwill, net	1,338,597	1,243,034
Other intangible assets, net	496,963	184,043
Other long-term assets	328,330	282,856
Total assets	6,013,248	5,227,849
Current liabilities:
Current portion of long-term debt, including finance leases	161,016	145,110
Current portion of operating lease liabilities	80,155	72,481
Accounts payable	688,680	571,269
Accrued salaries and wages	213,403	135,316
Other accrued expenses	224,820	187,647
Contract liabilities	247,315	228,388
Other current liabilities	88,919	74,988
Total current liabilities	1,704,308	1,415,199
Long-term debt, including finance leases	1,347,149	1,157,632
Long-term operating lease liabilities	129,568	116,506
Deferred income taxes	326,107	302,938
Other long-term liabilities	228,634	230,049
Total liabilities	3,735,766	3,222,324
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 - 93,246,800 and 93,107,440 (including 1,858,799 and 1,843,041 of unvested stock awards) as of September 30, 2021 and December 31, 2020, respectively	9,325	9,311
Capital surplus	847,242	837,453
Retained earnings	2,085,744	1,833,557
Accumulated other comprehensive loss	(82,175)	(91,444)
Treasury stock, at cost: 18,941,926 shares as of both September 30, 2021 and December 31, 2020, respectively	(586,955)	(586,955)
Total MasTec, Inc. shareholders’ equity	2,273,181	2,001,922
Non-controlling interests	4,301	3,603
Total equity	2,277,482	2,005,525
Total liabilities and equity	$ 6,013,248	$ 5,227,849