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Short Term Borrowings and Credit Lines (Notes) | 9 Months Ended
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Sep. 30, 2019
Debt Disclosure [Abstract] |
Short-term Debt [Text Block] | NOTE 6—SHORT-TERM BORROWINGS AND CREDIT LINES The Company had an unsecured, committed revolving line of credit agreement, maturing on July 1, 2021, with monthly variable commitments available for funding that, as of March 31, 2019, averaged $100.0 million over the course of a calendar year. At December 31, 2018 and September 30, 2018, the Company was in compliance with all associated covenants, and there was no balance outstanding under this line of credit. In April 2019, the Company amended and restated its unsecured, committed revolving line of credit agreement to reduce the monthly variable commitments available for funding to an average of $50.0 million over the course of a calendar year. The maturity date of this amended and restated agreement is August 1, 2023. Interest, payable monthly, continues to be based on the Company's applicable funded debt ratio, which could range from USD LIBOR plus 87.5 basis points to USD LIBOR plus 162.5 basis points. The amended and restated agreement requires the Company to comply with certain financial covenants covering the Company's funded debt ratio and interest coverage ratio, and eliminates the previous requirements that covered net income, fixed coverage ratio and borrowing basis. If the Company is in default, it is prohibited from paying dividends or repurchasing common stock. At September 30, 2019, the Company was in compliance with all associated covenants, and there was no balance outstanding under this line of credit. The Company's European subsidiary has available two separate unsecured and uncommitted lines of credit guaranteed by the Company providing for borrowing up to a maximum of €25.8 million and €5.0 million, respectively (combined approximately US$33.7 million), at September 30, 2019. The line of credit with a maximum borrowing of €5.0 million accrues interest based on the Euro Overnight Index Average plus 75 basis points. During the first quarter of 2019, the interest rate on the line of credit with a maximum borrowing of €25.8 million was modified to accrue interest based on the European Central Bank refinancing rate plus 75.0 basis points. There was no balance outstanding under either of these lines of credit at September 30, 2019, December 31, 2018 and September 30, 2018. Except as disclosed above, there have been no significant changes to the Company's short-term borrowing and credit lines as described in Note 9 in the Company's Annual Report on Form 10-K for the year ended December 31, 2018.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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