v2.4.0.6

Commitments and Contingencies Available Lines of Credit, Outstanding Standby Letter of Credits, and Bonds (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Line of Credit Facility [Line Items] |  |  |  |
Long-term borrowings | $ (125,000) |  |  |
Standby LOCs issued and outstanding | (47,800) |  |  |
Net available for additional borrowings and LOCs | 487,200 |  |  |
Unsecured surety bonds in force | 137,002 |  | 164,820 |
Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Multicurrency revolving line of credit | 660,000 | [1] | 660,000 | [1]
Long-term borrowings | (125,000) | [1] | (140,000) | [1]
Standby LOCs issued and outstanding | (47,772) | [1] | (54,328) | [1]
Net available for additional borrowings and LOCs | 487,228 | [1] | 465,672 | [1]
Unsecured Multicurrency Revolving Lines of Credit [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Multicurrency revolving line of credit | 96,864 |  | 67,308 |
Standby LOCs issued and outstanding | (28,056) |  | (29,906) |
Short-term borrowings(2) | (1,537) | [2] | (851) | [2]
Net available for additional borrowings and LOCs | $ 67,271 |  | $ 36,551 |
[1] | See Note 6 for details regarding our secured credit facilities.
[2] | Short-term borrowings are included in "Other current liabilities" on the Consolidated Balance Sheets.

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- Definition Unsecured surety bond in force as of the periods presented. The surety bonds represent an agreement between several parties to insure that the contracted work will be completed on time and on budget and will cover any losses incurred by poor contract performance. + References No definition available. + Details
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- 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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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