Quarterly report pursuant to Section 13 or 15(d)

Debt Obligations (Details Textual)

v2.4.0.6
Debt Obligations (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Debt Obligations (Textual) [Abstract]  
Senior secured revolving credit facility $ 700.0
Letters of credit issued under the credit facility 173.7
Debt Obligations (Additional Textual) [Abstract]  
Maturity date of senior secured revolving credit facility Aug. 02, 2016
Credit facility available for revolving loans or issuing new letters of credit 487.3
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
Maximum [Member]
 
Debt Obligations (Textual) [Abstract]  
Interest rate in excess of Eurocurrency rate applicable to domestic borrowings only, plus Mandatory Cost 2.50%
Interest rate in excess of Base Rate, domestic borrowings only 1.50%
Interest rate of credit agreement for foreign borrowings, plus mandatory costs 2.50%
Letter of credit fee 2.50%
Commitment fee 0.45%
Minimum [Member]
 
Debt Obligations (Textual) [Abstract]  
Interest rate in excess of Eurocurrency rate applicable to domestic borrowings only, plus Mandatory Cost 1.25%
Interest rate in excess of Base Rate, domestic borrowings only 0.25%
Interest rate of credit agreement for foreign borrowings, plus mandatory costs 1.25%
Letter of credit fee 1.25%
Commitment fee 0.20%
Swing Line Loans [Member]
 
Debt Obligations (Textual) [Abstract]  
Senior secured revolving credit facility 25.0
Amount borrowed under the credit facility 0
Revolving Loans and Letter of Credit in Alternative Currencies [Member]
 
Debt Obligations (Textual) [Abstract]  
Senior secured revolving credit facility 100.0
Revolving Loans [Member]
 
Debt Obligations (Textual) [Abstract]  
Amount borrowed under the credit facility $ 39.0
Performance Letter of Credit [Member] | Maximum [Member]
 
Debt Obligations (Textual) [Abstract]  
Letter of credit fee 1.50%
Performance Letter of Credit [Member] | Minimum [Member]
 
Debt Obligations (Textual) [Abstract]  
Letter of credit fee 0.75%