XML 32 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segment Information - Summarized Financial Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 2,171,144 | $ 1,645,132 | $ 5,798,268 | $ 4,705,219
Operating income (loss) | 142,912 | 141,078 | 366,800 | 377,543
Depreciation | 40,828 | 33,873 | 115,689 | 98,793
Electric Power Infrastructure [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 1,379,200 | 1,048,370 | 3,896,536 | 3,275,732
Operating income (loss) | 102,933 | 122,413 | 359,414 | 375,772
Depreciation | 19,030 | 16,343 | 54,865 | 47,042
Oil And Gas Infrastructure Services [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 749,801 | 552,380 | 1,781,025 | 1,297,254
Operating income (loss) | 74,824 | 49,873 | 109,235 | 87,874
Depreciation | 15,146 | 11,514 | 41,826 | 34,114
Fiber Optic Licensing and Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 42,143 | 44,382 | 120,707 | 132,233
Operating income (loss) | 13,835 | 14,105 | 40,090 | 45,289
Depreciation | 4,719 | 4,281 | 13,482 | 12,562
Corporate and Non-Allocated Costs [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | (48,680) | (45,313) | (141,939) | (131,392)
Depreciation | $ 1,933 | $ 1,735 | $ 5,516 | $ 5,075

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueServicesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration