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Financial Statement Components | 9 Months Ended
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Sep. 24, 2016
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Financial Statement Components | Note 6. Financial Statement Components The following tables provide details of selected financial statement components as of the following dates (in thousands):
|  | At |
|  | September 24, 2016 |  |  | December 26, 2015 |
Inventories: |  |  |  |  |  |  |  |
Raw materials and sub-assemblies |  | $ | 21,953 |  |  | $ | 26,784 |
Work in process |  |  | 9,508 |  |  |  | 12,862 |
Finished goods |  |  | 7,799 |  |  |  | 8,103 |
Inventories |  |  | 39,260 |  |  |  | 47,749 |
Inventories-delivered systems |  |  | 4,416 |  |  |  | 2,856 |
Total inventories |  | $ | 43,676 |  |  | $ | 50,605 |
Property, plant and equipment, net:(1) |  |  |  |  |  |  |  |
Land |  | $ | 15,570 |  |  | $ | 15,569 |
Building and improvements |  |  | 20,511 |  |  |  | 20,158 |
Machinery and equipment |  |  | 36,109 |  |  |  | 32,995 |
Furniture and fixtures |  |  | 2,357 |  |  |  | 2,266 |
Software |  |  | 9,007 |  |  |  | 8,245 |
Capital in progress |  |  | 2,091 |  |  |  | 1,328 |
Total property, plant and equipment, gross |  |  | 85,645 |  |  |  | 80,561 |
Accumulated depreciation and amortization |  |  | (41,321 | ) |  |  | (36,068 | )
Total property, plant and equipment, net |  | $ | 44,324 |  |  | $ | 44,493 |
(1) Total depreciation and amortization expense was $1.7 million and $1.8 million for the three months ended September 24, 2016 and September 26, 2015, respectively and $5.1 million and $5.2 million for the nine months ended September 24, 2016 and September 26, 2015, respectively. |
Other Current Liabilities: |  |  |  |  |  |  |  |
Accrued warranty |  | $ | 4,185 |  |  | $ | 4,504 |
Accrued restructuring |  |  | — |  |  |  | 256 |
Accrued professional services |  |  | 492 |  |  |  | 481 |
Accrued royalties |  |  | 1,029 |  |  |  | 437 |
Fair value of current portion of contingent payments to Zygo Corporation related to acquisition |  |  | 814 |  |  |  | 945 |
Other |  |  | 2,110 |  |  |  | 2,255 |
Total other current liabilities |  | $ | 8,630 |  |  | $ | 8,878 |
Components of Accumulated Other Comprehensive Income (Loss)
|  | Years Ended |
|  | Foreign Currency Translations |  |  | Defined Benefit Pension Plans |  |  | Unrealized Income (Loss) on Investment |  |  | Accumulated Other Comprehensive Income |
Balance as of December 26, 2015 |  | $ | (4,948 | ) |  | $ | (210 | ) |  | $ | (44 | ) |  | $ | (5,202 | )
Current period change |  |  | 2,018 |  |  |  | — |  |  |  | 73 |  |  |  | 2,091 |
Balance as of September 24, 2016 |  | $ | (2,930 | ) |  | $ | (210 | ) |  | $ | 29 |  |  | $ | (3,111 | )
The items above, except for unrealized income (loss) on investment, did not impact the Company’s income tax provision. The amounts reclassified from each component of accumulated other comprehensive income into income statement line items were insignificant.

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