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Other Noncurrent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2012
Other Noncurrent Liabilities [Abstract] |
Schedule of Other Noncurrent Liabilities |
(in thousands) |  | 2012 |  | 2011
Pension liabilities |  | $49,820 |  |  | $105,425 |
Postretirement benefits other than pensions |  | 78,821 |  |  | 73,060 |
Interest rate swap agreement |  | 4,718 |  |  | 4,251 |
Deferred compensation |  | 2,087 |  |  | 2,234 |
Other |  | 566 |  |  | 626 |
Total |  | $136,012 |  |  | $185,596 |

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