Segments and Operations by Geographic Area (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Summarized financial information for MasTec’s reportable segments is presented and reconciled to consolidated continuing operations financial information for total MasTec in the following tables (in millions).

As of and for the three month period ended September 30, 2013:

	Communications		Oil and Gas		Electrical Transmission		Power Generation and Industrial			Other		Corporate			Eliminations			Continuing Operations Consolidated
Revenue	$	543.0	$	519.1	$	118.8	$	85.1		$	3.5	$	—		$	(0.1	)	$	1,269.4
EBITDA	$	71.8	$	68.1	$	12.1	$	(6.4	)	$	0.1	$	(13.6	)	$	—		$	132.1
Depreciation	$	8.0	$	19.3	$	2.6	$	1.2		$	—	$	0.9		$	—		$	32.0
Amortization	$	1.5	$	3.2	$	0.6	$	0.5		$	—	$	—		$	—		$	5.8

As of and for the three month period ended September 30, 2012:

	Communications		Oil and Gas		Electrical Transmission		Power Generation and Industrial		Other		Corporate			Eliminations			Continuing Operations Consolidated
Revenue	$	490.0	$	284.0	$	74.8	$	211.7	$	7.5	$	—		$	(0.7	)	$	1,067.3
EBITDA	$	59.5	$	29.0	$	10.5	$	9.9	$	1.2	$	(18.4	)	$	—		$	91.7
Depreciation	$	6.9	$	9.5	$	1.6	$	1.0	$	—	$	0.8		$	—		$	19.8
Amortization	$	0.4	$	0.5	$	1.2	$	0.7	$	—	$	—		$	—		$	2.8

As of and for the nine month period ended September 30, 2013:

	Communications		Oil and Gas		Electrical Transmission		Power Generation and Industrial			Other		Corporate			Eliminations			Continuing Operations Consolidated
Revenue	$	1,464.5	$	1,134.8	$	321.9	$	237.3		$	9.2	$	—		$	(2.0	)	$	3,165.7
EBITDA	$	181.6	$	161.7	$	27.0	$	(14.6	)	$	0.5	$	(47.9	)	$	—		$	308.3
Depreciation	$	22.8	$	51.8	$	7.1	$	3.6		$	—	$	2.6		$	—		$	87.9
Amortization	$	4.0	$	8.4	$	1.3	$	1.5		$	—	$	—		$	—		$	15.2

As of and for the nine month period ended September 30, 2012:

	Communications		Oil and Gas		Electrical Transmission		Power Generation and Industrial		Other		Corporate			Eliminations			Continuing Operations Consolidated
Revenue	$	1,311.1	$	715.3	$	228.2	$	527.4	$	14.1	$	—		$	(1.7	)	$	2,794.4
EBITDA	$	139.4	$	57.3	$	31.1	$	28.2	$	1.7	$	(34.5	)	$	—		$	223.2
Depreciation	$	19.9	$	27.2	$	4.3	$	3.0	$	—	$	2.2		$	—		$	56.6
Amortization	$	1.3	$	1.4	$	3.8	$	2.0	$	—	$	—		$	—		$	8.5

Reconciliation of EBITDA to Income from Continuing Operations

The following table presents a reconciliation of EBITDA for our continuing operations to consolidated income from continuing operations before provision for income taxes (in millions):

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2013			2012			2013			2012
EBITDA	$	132.1		$	91.7		$	308.3		$	223.2
Less:
Interest expense, net	(12.7		)	(9.4		)	(34.5		)	(27.9		)
Depreciation	(32.0		)	(19.8		)	(87.9		)	(56.6		)
Amortization	(5.8		)	(2.8		)	(15.2		)	(8.5		)
Income from continuing operations before provision for income taxes	$	81.6		$	59.6		$	170.6		$	130.2

Schedule of Revenue and Long-Lived Assets by Geographical Area

The following table presents revenue by geographic area for the periods indicated (dollar amounts in millions):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
Continuing operations:
Derived from foreign operations	$	90.9	$	33.7	$	172.0	$	133.7
Derived in the United States	1,178.5		1,033.6		2,993.7		2,660.7
Revenue from continuing operations	$	1,269.4	$	1,067.3	$	3,165.7	$	2,794.4
Discontinued operations:
Derived from foreign operations	$	2.3	$	1.9	$	7.0	$	4.6
Derived in the United States	2.5		2.9		11.0		69.1
Revenue from discontinued operations	$	4.8	$	4.8	$	18.0	$	73.7

The following table presents long-lived assets held in foreign countries for our continuing operations as of the dates indicated (in millions):

	September 30, 2013		December 31, 2012
Property and equipment, net	$	48.8	$	11.4
Goodwill and other intangible assets, net	$	94.0	$	30.5

Schedule of Significant Customers

Revenue concentration information for significant customers, as a percent of total consolidated revenue from continuing operations, is as follows:

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2013	2012	2013	2012
Customer:
AT&T	16%	17%	18%	17%
DIRECTV®	13%	16%	15%	17%
Enbridge, Inc.	20%	3%	14%	1%

The Company's relationship with AT&T is based upon master service agreements, other service agreements and construction/installation contracts for both AT&T's wireless and wireline infrastructure businesses. Revenue from AT&T is included in the Communications segment.

The Company's relationship with DIRECTV® is based upon an agreement to provide installation and maintenance services for DIRECTV®. Revenue from DIRECTV® is included in the Communications segment.

The Company's relationship with Enbridge, Inc. is based upon various construction contracts for natural gas pipelines. Revenue from Enbridge, Inc. is included in the Oil and Gas segment.