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