XML 23 R79.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segment Information - Summarized Financial Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 1,817,623 | $ 1,645,132 | $ 1,474,377 | $ 1,585,710 | $ 1,673,342 | $ 1,532,001 | $ 1,386,162 | $ 1,328,764 | $ 6,522,842 | $ 5,920,269 | $ 4,193,764
Operating income |  |  |  |  |  |  |  |  | 526,928 | 465,122 | 194,842
Depreciation |  |  |  |  |  |  |  |  | 134,110 | 120,303 | 109,874
Electric Power [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 4,480,647 | 4,206,509 | 3,022,659
Operating income |  |  |  |  |  |  |  |  | 521,855 | 520,834 | 337,726
Depreciation |  |  |  |  |  |  |  |  | 63,407 | 55,205 | 49,038
Oil and Gas Infrastructure Division [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,869,615 | 1,534,713 | 1,011,248
Operating income |  |  |  |  |  |  |  |  | 138,543 | 55,410 | (78,307)
Depreciation |  |  |  |  |  |  |  |  | 47,050 | 43,285 | 41,051
Fiber Optic Licensing and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 172,580 | 179,047 | 159,857
Operating income |  |  |  |  |  |  |  |  | 55,415 | 61,299 | 53,476
Depreciation |  |  |  |  |  |  |  |  | 16,786 | 15,173 | 14,736
Corporate and Non-Allocated Costs [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating income |  |  |  |  |  |  |  |  | (188,885) | (172,421) | (118,053)
Depreciation |  |  |  |  |  |  |  |  | $ 6,867 | $ 6,640 | $ 5,049

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