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