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Accrued Expenses and Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2014
Accrued Expenses and Other Liabilities |
Schedule of accrued expenses and other current liabilities |
|  | December 31, |
|  | 2014 |  | 2013 |
|  | (in thousands) |
Payroll and related benefits |  | $ | 26,605 |  | $ | 11,020 |
Sales, use, and other taxes |  | 1,776 |  | 5,402 |
Contingent consideration |  | — |  | 20,098 |
Warranty |  | 5,411 |  | 5,662 |
Restructuring liability |  | 1,428 |  | 533 |
Other |  | 13,198 |  | 8,369 |
Total |  | $ | 48,418 |  | $ | 51,084 |

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