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Selected Financial Statement Data | 12 Months Ended
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Apr. 28, 2018
Selected Financial Statement Data [Abstract] |
Selected Financial Statement Data | Note 7. Selected Financial Statement Data Inventories consisted of the following:
| April 28, 2018 |  | April 29, 2017
Raw materials | $ | 30,570 |  |  | $ | 24,801 |
Work-in-process | 8,645 |  |  | 7,366 |
Finished goods | 36,120 |  |  | 34,319 |
| $ | 75,335 |  |  | $ | 66,486 |
Property and equipment, net consisted of the following:
| April 28, 2018 |  | April 29, 2017
Land | $ | 2,161 |  |  | $ | 2,099 |
Buildings | 67,773 |  |  | 65,935 |
Machinery and equipment | 93,439 |  |  | 84,189 |
Office furniture and equipment | 5,878 |  |  | 5,604 |
Computer software and hardware | 53,004 |  |  | 51,523 |
Equipment held for rental | 287 |  |  | 374 |
Demonstration equipment | 7,035 |  |  | 7,109 |
Transportation equipment | 7,632 |  |  | 7,108 |
| 237,209 |  |  | 223,941 |
Less accumulated depreciation | 169,150 |  |  | 157,192 |
| $ | 68,059 |  |  | $ | 66,749 |
Our depreciation expense was $16,273, $16,732, and $16,561 for the fiscal years 2018, 2017, and 2016, respectively. In the fiscal years 2018, 2017, and 2016, the pretax impairment charges for property and equipment were immaterial. The impairment charges were related to equipment obsoleted due to technology improvements or to custom demonstration equipment with no resale value. These impairment charges were included primarily in product design and development and selling expense in the consolidated statements of operations. Accrued expenses consisted of the following:
| April 28, 2018 |  | April 29, 2017
Compensation | $ | 12,841 |  |  | $ | 12,732 |
Taxes, other than income taxes | 2,907 |  |  | 3,878 |
Accrued employee benefits | 2,829 |  |  | 2,916 |
Short-term accrued expenses | 6,157 |  |  | 5,357 |
Claims liabilities | 2,711 |  |  | 150 |
| $ | 27,445 |  |  | $ | 25,033 |
Other (expense) income, net consisted of the following:
| Year Ended
| April 28, 2018 |  | April 29, 2017 |  | April 30, 2016
Foreign currency transaction gains (losses) | $ | 29 |  |  | $ | (331 | ) |  | $ | (326 | )
Equity in losses of affiliates | (481 | ) |  | (136 | ) |  | — |
Other | (85 | ) |  | 113 |  |  | 198 |
| $ | (537 | ) |  | $ | (354 | ) |  | $ | (128 | )

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