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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2011
Accrued Liabilities [Abstract] |
Components Of Accrued Liabilities |
|  | December 31, |
|  | 2011 |  |  | 2010 |
|  | (In thousands) |
Derivative — treasury lock |  | $ | 48,829 |  |  | $ | — |
Bonuses and incentives and related payroll taxes |  |  | 31,480 |  |  |  | 32,345 |
Medical insurance and workers' compensation |  |  | 18,685 |  |  |  | 16,242 |
Customer volume discounts and rebates |  |  | 18,656 |  |  |  | 17,631 |
Vacation and holiday pay |  |  | 16,576 |  |  |  | 16,012 |
Franchise, property, sales and use taxes |  |  | 8,711 |  |  |  | 9,218 |
Current portion of pension and postretirement benefits |  |  | 6,284 |  |  |  | 5,253 |
Payroll and payroll taxes |  |  | 6,409 |  |  |  | 5,138 |
Other |  |  | 7,629 |  |  |  | 7,388 |
Total |  | $ | 163,259 |  |  | $ | 109,227 |

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