XML 80 R63.htm IDEA: XBRL DOCUMENT v3.6.0.2

Acquisitions - Unaudited Supplemental Pro Forma Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Combinations [Abstract]
Revenues	$ 7,677,293	$ 7,770,744	$ 8,476,584
Gross profit	1,017,506	956,925	1,248,827
Selling, general and administrative expenses	656,109	612,979	745,321
Amortization of intangible assets	32,204	39,947	47,777
Net income from continuing operations	200,675	136,608	303,772
Net income from continuing operations attributable to common stock	$ 198,960	$ 125,691	$ 285,404
Earnings per share from continuing operations attributable to common stock - basic and diluted	$ 1.26	$ 0.64	$ 1.28

X

- Definition

The pro forma amortization of intangible assets for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

No definition available.

+ Details

Name:	pwr_BusinessAcquisitionsProFormaAmortizationOfIntangibleAssets
Namespace Prefix:	pwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The pro forma gross profit for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

No definition available.

+ Details

Name:	pwr_BusinessAcquisitionsProFormaGrossProfit
Namespace Prefix:	pwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The pro forma net income(loss) attributable to common stock for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

No definition available.

+ Details

Name:	pwr_BusinessAcquisitionsProFormaNetIncomeLossAttributableToCommonStock
Namespace Prefix:	pwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The pro forma selling, general and administrative expenses for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

No definition available.

+ Details

Name:	pwr_BusinessAcquisitionsProFormaSellingGeneralAndAdministrativeExpenses
Namespace Prefix:	pwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionsProFormaRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_BusinessCombinationsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration