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Inventories (Tables) | 6 Months Ended
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Jun. 30, 2015
Inventory Disclosure [Abstract] |
Inventories | Inventories in the accompanying Condensed Consolidated Balance Sheets consisted of the following amounts (in thousands):
| June 30, 2015 |  | December 31, 2014
Raw materials and construction materials | $ | 31,604 |  |  | $ | 23,330 |
Work in process | 33,519 |  |  | 23,524 |
| $ | 65,123 |  |  | $ | 46,854 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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