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Debt (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Debt Instrument |  |
Total Debt | $ 31,977 | $ 32,323
Less: Current Portion | (3,935) | (2,042)
Long-Term Portion | 28,042 | 30,281
Committed lines of credit | 125,000 |
Uncommitted lines of credit | 87,706 |
Letters of credit, Outstanding amount | 2,009 |
Bank guarantees | 492 |
Commitment fees on unused lines of credit | 230 |
Indebtedness to EBITDA ratio | 0.41 to 1 |
EBITDA to interest expense ratio | 46.53 to 1 |
Bank borrowings |  |
Debt Instrument |  |
Total Debt | 12 | 22
Credit facility borrowings |  |
Debt Instrument |  |
Total Debt | 30,000 | 30,000
Notes payable |  |
Debt Instrument |  |
Total Debt | 0 | 750
Collateralized borrowings |  |
Debt Instrument |  |
Total Debt | 13 | 39
Capital lease obligations |  |
Debt Instrument |  |
Total Debt | 452 | 1,512
Credit facility borrowings |  |
Debt Instrument |  |
Total Debt | $ 1,500 | $ 0
JPMorgan Chase Bank, National Association [Member] |  |
Debt Instrument |  |
Line of credit facility, Covenant restriction, Maximum Indebtedness to EBITDA | 3.00 to 1 |
Line of credit facility, Covenant restriction, Minimum EBITDA to interest expense | 3.50 to 1 |

X
- Definition Lines of credit that legally bind the lender to provide the funds, rather than giving the lender the option of canceling the credit line based on market conditions. + References No definition available. + Details
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- Definition The maximum Line of credit facility restrictive covenant on indebtedness to EBITDA ratio. + References No definition available. + Details
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- Definition The minimum Line of credit facility restrictive covenant on EBITDA to interest expense ratio. + References No definition available. + Details
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- Definition The EBITDA to interest expense ratio as of the Balance Sheet date. + References No definition available. + Details
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- Definition The indebtedness to EBITDA ratio as of the Balance Sheet date. + References No definition available. + Details
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- Definition Lines of credit that do not legally bind the borrower to take out a loan at a particular time. + References No definition available. + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt and capital lease obligations, which are due within one year (or one business cycle if longer). + 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 210.5-02.19,20) -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 -Article 5 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -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 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition Amount of the fee for available but unused credit capacity under the credit 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
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- Definition Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date. + 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 210.5-02.22) -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 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section H + Details
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