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Loans Payable - Banks (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Loans Payable - Banks [Abstract] |  |
Weighted average interest rate on short-term borrowings | 2.80% | 0.80%
Foreign Subsidiaries [Member] |  |
Line of Credit Facility [Line Items] |  |
Line of credit, maximum borrowing amount |  | $ 25
Line of credit, amount outstanding | 0 | 27.8
Foreign Subsidiaries [Member] | EURIBOR [Member] |  |
Line of Credit Facility [Line Items] |  |
Variable rate | 0.30% |
Foreign Subsidiaries [Member] | EURIBOR [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis spread over variable interest rate | 0.60% |
Foreign Subsidiaries [Member] | EURIBOR [Member] | Median [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis spread over variable interest rate | 0.70% |
Foreign Subsidiaries [Member] | EURIBOR [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis spread over variable interest rate | 0.80% |
Parent and Domestic Subsidiaries [Member] |  |
Line of Credit Facility [Line Items] |  |
Line of credit, maximum borrowing amount | 15 |
Line of credit, amount outstanding | $ 6.1 | $ 0
Maturity | May 01, 2014 |
Parent and Domestic Subsidiaries [Member] | Prime Rate [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis spread over variable interest rate | 0.50% |
Variable rate | 3.25% |

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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
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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 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 Weighted average interest rate of short-term debt 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)) -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 -Subparagraph b -Article 5 + Details
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