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Segments and Operations by Geographic Area Segments and Operations by Geographic Area (Tables)
12 Months Ended
Dec. 31, 2012
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 year ended December 31, 2012:
 
Communications
 
Oil & Gas
 
Electrical
Transmission
 
Power
Generation & Industrial
 
Other
 
Corporate
 
Eliminations

 
Continuing Operations for
Consolidated
MasTec
Revenue
$
1,772.7

 
$
959.0

 
$
312.2

 
$
668.1

 
$
16.7

 
$

 
$
(1.9
)
 
$
3,726.8

EBITDA
$
192.0

 
$
99.4

 
$
38.7

 
$
32.0

 
$
2.0

 
$
(42.0
)
 
$

 
$
322.1

Depreciation
$
27.0

 
$
39.6

 
$
6.0

 
$
4.1

 
$
0.1

 
$
3.0

 
$

 
$
79.8

Amortization
$
2.1

 
$
2.5

 
$
5.0

 
$
2.6

 
$

 
$

 
$

 
$
12.2

Total Assets
$
829.2

 
$
805.5

 
$
309.9

 
$
321.6

 
$
7.0

 
$
93.5

 
$
15.0

 
$
2,381.7

Capital Expenditures
$
19.2

 
$
40.3

 
$
11.5

 
$
5.6

 
$

 
$
2.9

 
$

 
$
79.4


As of and for the year ended December 31, 2011:
 
Communications
 
Oil & Gas
 
Electrical
Transmission
 
Power
Generation & Industrial
 
Other
 
Corporate
 
Eliminations

 
Continuing Operations for
Consolidated
MasTec
Revenue
$
1,635.1

 
$
774.3

 
$
198.3

 
$
219.6

 
$
4.8

 
$

 
$
(0.8
)
 
$
2,831.3

EBITDA
$
154.3

 
$
80.1

 
$
28.7

 
$
(3.2
)
 
$
0.4

 
$
7.6

 
$

 
$
267.9

Depreciation
$
22.7

 
$
26.8

 
$
4.0

 
$
3.9

 
$
0.1

 
$
2.7

 
$

 
$
60.2

Amortization
$
1.8

 
$
4.0

 
$
4.4

 
$
3.7

 
$

 
$

 
$

 
$
13.9

Total Assets
$
837.1

 
$
494.6

 
$
253.7

 
$
269.4

 
$
3.8

 
$
94.0

 
$
(10.2
)
 
$
1,942.4

Capital Expenditures
$
23.0

 
$
25.7

 
$
9.3

 
$
4.6

 
$

 
$
8.5

 
$

 
$
71.0


As of and for the year ended December 31, 2010:
 
Communications

 
Oil & Gas
 
Electrical
Transmission
 
Power
Generation & Industrial
 
Other
 
Corporate

 
Eliminations

 
Continuing Operations for
Consolidated
MasTec
Revenue
$
1,190.6

 
$
562.6

 
$
67.0

 
$
325.6

 
$
0.2

 
$

 
$
(3.0
)
 
$
2,143.0

EBITDA
$
107.9

 
$
111.3

 
$
(3.7
)
 
$
16.9

 
$
(1.0
)
 
$
(31.3
)
 
$

 
$
200.1

Depreciation
$
13.4

 
$
20.8

 
$
3.1

 
$
4.3

 
$

 
$
2.4

 
$

 
$
44.0

Amortization
$
0.8

 
$
7.2

 
$
0.1

 
$
4.6

 
$

 
$
0.2

 
$

 
$
12.9

Total Assets
$
598.3

 
$
392.2

 
$
38.5

 
$
283.8

 
$
0.9

 
$
204.6

 
$
(9.6
)
 
$
1,508.7

Capital Expenditures
$
11.6

 
$
10.5

 
$

 
$
3.1

 
$
0.1

 
$
2.5

 
$

 
$
27.8

Reconciliation of EBITDA to Consolidated Income
reconciliation of EBITDA to consolidated income from continuing operations before provision for income taxes:
 
For the Years Ended December 31,
 
2012
 
2011
 
2010
EBITDA
$
322.1

 
$
267.9

 
$
200.1

Less:
 
 
 
 
 
Interest expense, net
(37.4
)
 
(34.5
)
 
(29.2
)
Depreciation
(79.8
)
 
(60.2
)
 
(44.0
)
Amortization
(12.2
)
 
(13.9
)
 
(12.9
)
Income from continuing operations before provision for income taxes
$
192.7

 
$
159.3

 
$
114.1

Reconciliation of Assets from Segments to Consolidated Entity
A reconciliation of total assets for continuing operations to consolidated total assets as of the dates indicated is as follows:
 
As of December 31,
 
2012
 
2011
 
2010
Total assets for continuing operations
$
2,381.7

 
$
1,942.4

 
$
1,508.7

Current assets of discontinued operations
18.6

 
30.6

 
43.1

Long-term assets of discontinued operations
7.6

 
121.7

 
104.0

Total assets
$
2,407.9

 
$
2,094.7

 
$
1,655.8

Schedule of Significant Customers, Revenue Concentration
 
2012
 
2011
 
2010
Customer:
 
 
 
 
 
AT&T
18%
 
24%
 
22%
DIRECTV®
17%
 
20%
 
20%