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	)