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Supplementary Balance Sheet Information | 3 Months Ended
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Mar. 29, 2013
Supplementary Balance Sheet Information | 8. Supplementary Balance Sheet Information The following tables provide the details of selected balance sheet items as of the periods indicated (in thousands): Inventories
|  | March 29, 2013 |  |  | December 31, 2012 |
Raw materials |  | $ | 40,247 |  |  | $ | 30,554 |
Work-in-process |  |  | 10,448 |  |  |  | 11,959 |
Finished goods |  |  | 11,562 |  |  |  | 8,023 |
Demo and consigned inventory |  |  | 2,645 |  |  |  | 2,265 |
Total inventories |  | $ | 64,902 |  |  | $ | 52,801 |
Accrued Expenses and Other Current Liabilities
|  | March 29, 2013 |  |  | December 31, 2012 |
Accrued compensation and benefits |  | $ | 7,632 |  |  | $ | 6,655 |
Accrued warranty |  |  | 3,550 |  |  |  | 2,777 |
Customer deposits |  |  | 1,527 |  |  |  | 3,033 |
Other |  |  | 9,647 |  |  |  | 6,497 |
Total |  | $ | 22,356 |  |  | $ | 18,962 |
Accrued Warranty
|  | Three Months Ended |
|  | March 29, 2013 |  |  | March 30, 2012 |
Balance at beginning of the period |  | $ | 2,777 |  |  | $ | 3,035 |
Provision charged to cost of sales |  |  | 297 |  |  |  | 683 |
Acquisition related warranty accrual |  |  | 998 |  |  |  | — |
Use of provision |  |  | (469 | ) |  |  | (867 | )
Foreign currency exchange rate changes |  |  | (53 | ) |  |  | 47 |
Balance at end of period |  | $ | 3,550 |  |  | $ | 2,898 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References No definition available. + Details
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