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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Accrued Liabilities, Current [Abstract] |
Summary of Accrued Liabilities | Accrued liabilities consist of the following at December 31:
| 2016 |  | 2015
Accrued wages, bonuses and commissions | $ | 38,996 |  |  | $ | 32,006 |
Other accrued liabilities | 16,993 |  |  | 17,150 |
| $ | 55,989 |  |  | $ | 49,156 |

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