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Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Segment Information |
Segment contract revenues and operating income (loss) |
|  | For the Year Ended December 31, |
--- | --- | --- | ---
(in thousands) |  | 2013 |  | 2012 |  | 2011 |
Contract revenues: |  |  |  |  |  |  |  |  |  |
T&D |  | $ | 722,387 |  | $ | 828,711 |  | $ | 622,000 |
C&I |  |  | 180,342 |  |  | 170,248 |  |  | 158,356 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 902,729 |  | $ | 998,959 |  | $ | 780,356 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income from operations: |  |  |  |  |  |  |  |  |  |
T&D |  | $ | 81,413 |  | $ | 80,460 |  | $ | 52,053 |
C&I |  |  | 10,423 |  |  | 7,647 |  |  | 5,833 |
General Corporate |  |  | (36,219 | ) |  | (32,345 | ) |  | (28,257 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 55,617 |  | $ | 55,762 |  | $ | 29,629 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of identifiable assets for each segment |
(in thousands) |  | 2013 |  | 2012 |
--- | --- | --- | --- | --- | ---
T&D |  | $ | 208,777 |  | $ | 223,719 |
C&I |  |  | 62,805 |  |  | 63,554 |
Other |  |  | 253,840 |  |  | 179,075 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 525,422 |  | $ | 466,348 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of an allocation of total depreciation, including depreciation of shared construction equipment, and amortization |
|  | For the Year Ended December 31, |
--- | --- | --- | ---
(in thousands) |  | 2013 |  | 2012 |  | 2011 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
T&D |  | $ | 27,545 |  | $ | 23,758 |  | $ | 18,426 |
C&I |  |  | 1,650 |  |  | 1,398 |  |  | 1,085 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 29,195 |  | $ | 25,156 |  | $ | 19,511 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 + Details
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