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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2012
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following balances:
|  | December 31,
(in thousands) |  | 2012 |  | 2011
Salaries, wages and bonuses |  | $ | 12,433 |  |  | $ | 13,956 |
Warranty |  | 5,007 |  |  | 5,083 |
State taxes |  | 4,922 |  |  | 4,473 |
Other |  | 9,239 |  |  | 7,061 |
|  | $ | 31,601 |  |  | $ | 30,573 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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