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Long-Term Debt (Tables) | 6 Months Ended
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Jun. 30, 2017
Debt Disclosure [Abstract] |
Long-term Debt | Long-term debt consisted of the following:
| June 30, 2017 |  | June 30, 2016 |  | Dec. 31, 2016
| (Dollars in thousands)
Bank debt |  |  |  |  |
Bank revolving loans | $ | 609,593 |  |  | $ | 416,501 |  |  | $ | 99,500 |
U.S. term loans | 800,000 |  |  | 346,750 |  |  | 310,250 |
Canadian term loans | 35,021 |  |  | 45,833 |  |  | 44,274 |
Euro term loans | — |  |  | 232,262 |  |  | 196,668 |
Other foreign bank revolving and term loans | 45,357 |  |  | 104,666 |  |  | 120,500 |
Total bank debt | 1,489,971 |  |  | 1,146,012 |  |  | 771,192 |
5% Senior Notes | 280,000 |  |  | 500,000 |  |  | 500,000 |
5½% Senior Notes | 300,000 |  |  | 300,000 |  |  | 300,000 |
4¾% Senior Notes | 300,000 |  |  | — |  |  | — |
3¼% Senior Notes | 742,105 |  |  | — |  |  | — |
Total debt - principal | 3,112,076 |  |  | 1,946,012 |  |  | 1,571,192 |
Less unamortized debt issuance costs | 18,314 |  |  | 10,915 |  |  | 9,609 |
Total debt | 3,093,762 |  |  | 1,935,097 |  |  | 1,561,583 |
Less current portion | 648,850 |  |  | 569,892 |  |  | 217,127 |
| $ | 2,444,912 |  |  | $ | 1,365,205 |  |  | $ | 1,344,456 |

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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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