XML 23 R40.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Debt Obligations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 0 Months Ended |  | 9 Months Ended |  | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Oct. 30, 2013 Subsequent Event [Member] | Sep. 30, 2013 Revolving Loans and Letter of Credit in Alternative Currencies [Member] | Sep. 30, 2013 Minimum [Member] | Sep. 30, 2013 Minimum [Member] Performance Letter of Credit [Member] | Sep. 30, 2013 Maximum [Member] | Sep. 30, 2013 Maximum [Member] Performance Letter of Credit [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Senior secured revolving credit facility | $ 700.0 | $ 1,325.0 | $ 100.0 |  |  |  |
Maturity date of senior secured revolving credit facility | Aug. 02, 2016 | Oct. 30, 2018 |  |  |  |  |
Letters of credit issued under the credit facility | 226.4 |  |  |  |  |  |
Amount borrowed under the credit facility | 0 |  |  |  |  |  |
Credit facility available for revolving loans or issuing new letters of credit | 473.6 |  |  |  |  |  |
Interest rate in excess of Eurocurrency rate applicable to domestic borrowings only, plus Mandatory Cost |  |  |  | 1.25% |  | 2.50% |
Interest rate in excess of Base Rate, domestic borrowings only |  |  |  | 0.25% |  | 1.50% |
Interest rate of credit agreement for foreign borrowings, plus mandatory costs |  |  |  | 1.25% |  | 2.50% |
Letter of credit fee |  |  |  | 1.25% | 0.75% | 2.50% | 1.50%
Commitment fee |  |  |  | 0.20% |  | 0.45% |
Reduction in Quanta's maximum funded debt and maximum senior debt by all cash and cash equivalents in excess of amount | 25.0 |  |  |  |  |  |
Base rate in excess of Federal Funds Rate | 0.50% |  |  |  |  |  |
One possible rate is this rate in excess of the Eurocurrency Rate | 1.00% |  |  |  |  |  |
Percentage of capital stock of direct foreign subsidiaries required to secure credit agreement | 65.00% |  |  |  |  |  |
Cross default provisions with debt instruments exceeding this amount | $ 30.0 |  |  |  |  |  |

X
- Definition Base rate in excess of Federal Funds Rate. + References No definition available. + Details
Name: | pwr_BaseRateInExcessOfFederalFundsRate
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cross-default provisions. + References No definition available. + Details
Name: | pwr_CrossDefaultProvisions
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Interest rate in excess of base rate domestic. + References No definition available. + Details
Name: | pwr_InterestRateInExcessOfBaseRateDomestic
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate in excess of Eurocurrency rate domestic. + References No definition available. + Details
Name: | pwr_InterestRateInExcessOfEurocurrencyRateDomesticPlusMandatoryCost
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate of Credit Agreement for foreign borrowings, plus Mandatory Costs. + References No definition available. + Details
Name: | pwr_InterestRateOfCreditAgreementForForeignBorrowingsPlusMandatoryCosts
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Letter of credit fee. + References No definition available. + Details
Name: | pwr_LetterOfCreditFee
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of capital stock of direct foreign subsidiaries required to secure credit agreement. + References No definition available. + Details
Name: | pwr_PercentageOfCapitalStockOfDirectForeignSubsidiariesRequiredToSecureCreditAgreement
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate in excess of Eurocurrency rate. + References No definition available. + Details
Name: | pwr_RateInExcessOfEurocurrencyRate
Namespace Prefix: | pwr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction in Quanta's maximum funded debt and maximum senior debt by all cash and cash equivalents in excess of amount. + References No definition available. + Details
Name: | pwr_ReductionInCompanyMaximumFundedDebtAndMaximumSeniorDebtByAllCashAndCashEquivalentsInExcessOfAmount
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration