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Selected Financial Statement Data
 12 Months Ended
May 02, 2020
Selected Financial Statement Data [Abstract]  
Selected Financial Statement Data
Note 8. Selected Financial Statement Data

Inventories consisted of the following: 
 
May 2,
2020
 
April 27,
2019
Raw materials
$
35,306

 
$
30,789

Work-in-process
12,102

 
8,239

Finished goods
39,395

 
39,804

 
$
86,803

 
$
78,832


 
Property and equipment, net consisted of the following:
 
May 2,
2020
 
April 27,
2019
Land
$
2,183

 
$
1,738

Buildings
68,804

 
66,403

Machinery and equipment
104,157

 
96,486

Office furniture and equipment
6,151

 
6,195

Computer software and hardware
53,441

 
55,460

Equipment held for rental
287

 
287

Demonstration equipment
8,473

 
7,422

Transportation equipment
7,944

 
7,715

 
251,440

 
241,706

Less accumulated depreciation
183,956

 
176,392

 
$
67,484

 
$
65,314



Our depreciation expense was $16,230, $16,564, and $16,273 for the fiscal years 2020, 2019, and 2018, respectively.

In the fiscal years 2020, 2019, and 2018, the pretax impairment charges for property and equipment were immaterial.

Accrued expenses consisted of the following:
 
May 2,
2020
 
April 27,
2019
Compensation
$
15,967

 
$
12,766

Taxes, other than income taxes
3,597

 
2,685

Accrued employee benefits
2,243

 
3,046

Operating lease liabilities
2,416

 
—

Short-term accrued expenses
9,270

 
8,520

Claims liabilities
2,562

 
2,685

Acquisition-related contingency consideration
571

 
2,359

 
$
36,626

 
$
32,061



Other (expense) income, net consisted of the following:
 
Year Ended
 
May 2,
2020
 
April 27,
2019
 
April 28,
2018
Foreign currency transaction gains (losses)
$
207

 
$
(262
)
 
$
29

Equity in losses of affiliates
(741
)
 
(844
)
 
(481
)
Other
(7
)
 
19

 
(85
)
 
$
(541
)
 
$
(1,087
)
 
$
(537
)