XML 31 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6

Segment Information (Summarized Financial Information) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Revenues	$ 1,685,201	$ 1,250,819	$ 4,627,074	$ 3,110,692
Operating income (loss)	145,654	93,981	336,276	124,795
Depreciation	32,443	29,135	94,086	86,499
Electric Power [Member]
Segment Reporting Information [Line Items]
Revenues	1,089,256	822,689	3,037,000	2,056,232
Operating income (loss)	136,378	100,199	356,863	198,661
Depreciation	14,075	12,474	40,907	37,080
Natural Gas And Pipeline [Member]
Segment Reporting Information [Line Items]
Revenues	397,459	259,014	1,096,247	645,495
Operating income (loss)	23,207	(4,035)	27,498	(42,263)
Depreciation	11,137	10,332	32,187	31,020
Telecommunications [Member]
Segment Reporting Information [Line Items]
Revenues	169,858	140,679	409,436	326,494
Operating income (loss)	22,224	15,832	44,420	21,238
Depreciation	1,971	1,526	5,556	4,412
Fiber Optic Licensing [Member]
Segment Reporting Information [Line Items]
Revenues	28,628	28,437	84,391	82,471
Operating income (loss)	14,092	14,231	42,919	39,448
Depreciation	3,568	3,468	10,446	10,321
Corporate And Non-allocated Costs [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(50,247)	(32,246)	(135,424)	(92,289)
Depreciation	$ 1,692	$ 1,335	$ 4,990	$ 3,666

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 Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: 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=6943989&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=6880815&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