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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Accrued Expenses | Accrued expenses consisted of the following at December 31 (in thousands):
|  | 2012 |  |  | 2011 |
Accrued bonuses |  | $ | 6,980 |  |  | $ | 6,120 |
Accrued interest |  |  | 65 |  |  |  | 77 |
Accrued taxes |  |  | 48,792 |  |  |  | 10,256 |
Other |  |  | 19,975 |  |  |  | 25,112 |
|  | $ | 75,812 |  |  | $ | 41,565 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
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