Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents, including restricted cash of $18,251 as of June 30, 2011 and $18,000 as of December 31, 2010	$ 78,456	$ 177,604
Accounts receivable, costs and earnings in excess of billings and retainage, net of allowance	583,062	444,363
Inventories	89,433	57,483
Deferred tax assets, net	6,328	11,990
Prepaid expenses and deposits	16,775	17,176
Other current assets	14,486	13,058
Total current assets	788,540	721,674
Property and equipment, net	240,636	180,786
Goodwill	794,949	613,369
Other intangible assets, net	126,101	78,190
Securities available for sale	14,436	18,997
Investments in unconsolidated entities	1,772	11,972
Other assets	29,885	30,840
Total assets	1,996,319	1,655,828
Current liabilities:
Current maturities of long-term debt	23,567	18,399
Accounts payable	294,775	196,363
Accrued salaries and wages	53,087	33,079
Accrued taxes payable	12,726	15,269
Accrued insurance	14,662	16,616
Other accrued expenses	25,023	13,329
Acquisition-related contingent consideration, current portion	25,754	35,639
Billings in excess of costs and earnings	81,073	136,070
Other current liabilities	22,531	21,780
Total current liabilities	553,198	486,544
Acquisition-related contingent consideration	67,985	34,695
Other liabilities	24,231	24,789
Deferred tax liabilities, net	111,190	62,487
Long-term debt	400,015	394,151
Total liabilities	1,156,619	1,002,666
Commitments and contingencies (See Note 14)
Shareholders' equity:
Preferred stock, $1.00 par value; authorized shares - 5,000,000; issued and outstanding shares - none
Common stock, $0.10 par value; authorized shares - 145,000,000; issued and outstanding shares - 84,655,474 and 78,215,189 as of June 30, 2011 and December 31, 2010, respectively	8,471	7,822
Capital surplus	784,177	663,927
Accumulated surplus (deficit)	53,087	(12,512)
Accumulated other comprehensive loss	(6,098)	(6,156)
Total MasTec shareholders' equity	839,637	653,081
Non-controlling interests	63	81
Total shareholders' equity	839,700	653,162
Total liabilities and shareholders' equity	$ 1,996,319	$ 1,655,828