Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations
Revenue	$ 750,942	$ 495,113	$ 1,369,433	$ 945,344
Costs of revenue, excluding depreciation and amortization	643,181	417,341	1,171,734	806,196
Gross profit	107,761	77,772	197,699	139,148
Depreciation and amortization	18,585	14,212	33,694	28,387
General and administrative expenses	37,560	30,983	70,059	58,655
Interest expense, net	8,254	7,269	16,166	14,645
Other (income) expense, net	(29,565)	588	(29,730)	291
Income before provision for income taxes	72,927	24,720	107,510	37,170
Provision for income taxes	(28,442)	(10,159)	(41,929)	(15,214)
Net income	44,485	14,561	65,581	21,956
Net loss attributable to non-controlling interests	(9)	(40)	(18)	(55)
Net income attributable to MasTec	44,494	14,601	65,599	22,011
Earnings per share - basic and diluted (See Note 2 - Earnings Per Share)
Basic net income per share attributable to MasTec	$ 0.54	$ 0.19	$ 0.81	$ 0.29
Basic weighted average common shares outstanding	82,753	76,073	80,575	76,046
Diluted net income per share attributable to MasTec	$ 0.51	$ 0.18	$ 0.77	$ 0.27
Diluted weighted average common shares outstanding	87,634	90,641	85,701	90,651
Supplemental disclosure (See Note 7 - Securities Available for Sale and Note 3 - Acquisitions and Other Investments)
Total other-than-temporary impairment losses on securities available for sale, net		332		266
Less: Unrealized losses on securities available for sale, recognized in other comprehensive income, net		(78)		(144)
Unrealized losses on securities available for sale, recognized in earnings		410		410
Gain on remeasurement of equity interest in acquiree	(29,041)		(29,041)
Other (income) expense, net	(524)	178	(689)	(119)
Total other (income) expense, net	$ (29,565)	$ 588	$ (29,730)	$ 291