Quanta Services, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Goodwill and Other Intangible Assets - Summary of Changes in Quanta's Goodwill (Detail)

v2.4.1.9

Goodwill and Other Intangible Assets - Summary of Changes in Quanta's Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, beginning balance	$ 1,931,485us-gaap_Goodwill
Goodwill acquired	18,331us-gaap_GoodwillAcquiredDuringPeriod
Purchase price adjustments	(1,818)
Foreign currency translation adjustment related to goodwill	(25,513)us-gaap_GoodwillTranslationAdjustments
Goodwill, ending balance	1,922,485us-gaap_Goodwill
Electric Power Division [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,223,224
Goodwill acquired	949	71,500
Purchase price adjustments	750
Foreign currency translation adjustment related to goodwill	(15,076)
Goodwill, ending balance	1,209,847	1,223,224
Oil and Gas Infrastructure Division [Member]
Goodwill [Line Items]
Goodwill, beginning balance	373,471
Goodwill acquired	17,382	103,000
Purchase price adjustments	(2,568)
Foreign currency translation adjustment related to goodwill	(10,437)
Goodwill, ending balance	377,848	373,471
Fiber Optic Licensing Division [Member]
Goodwill [Line Items]
Goodwill, ending balance	$ 334,790	$ 334,790

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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

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-Name Accounting Standards Codification

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

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