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Other Long-Term Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Assets Noncurrent [Abstract] |
Summary of Other Long-Term Assets | Other long-term assets consist of the following:
| December 31 |
In thousands |  | 2017 |  |  |  |  | 2016 |
Pension | $ | 115,482 |  |  |  | $ | 96,699 |
Other |  | 22,996 |  |  |  |  | 25,050 |
Total | $ | 138,478 |  |  |  | $ | 121,749 |

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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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