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Short-Term Borrowings and Bank Lines of Credit (Details 2) | Dec. 31, 2017 | Dec. 31, 2016
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Debt Disclosure [Abstract] |  |
Weighted average interest rate | 3.24% | 2.47%

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- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. + 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 + Details
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