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Debt and Credit Arrangements (Tables) | 3 Months Ended
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Mar. 31, 2017
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] | The following table represents the components of the Company’s borrowings:
| March 31, 2017 |  | December 31, 2016
Convertible notes, due August 2018, effective interest rate of 7.9% | $ | 231,392 |  |  | $ | 228,115 |
Foreign facilities | 11,831 |  |  | 13,208 |
Total debt | 243,223 |  |  | 241,323 |
Unamortized debt issuance costs | (948 | ) |  | (1,125 | )
Total debt, net of unamortized debt issuance costs | 242,275 |  |  | 240,198 |
Less: current maturities | (5,073 | ) |  | (6,487 | )
Long-term debt | $ | 237,202 |  |  | $ | 233,711 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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