Selected Financial Statement Data (Tables)

12 Months Ended

May 02, 2020

Selected Financial Statement Data [Abstract]

Schedule of Inventories

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

Schedule of Property and Equipment

In accordance with ASC 360, Property, Plant, and Equipment, property and equipment are stated at cost and depreciated principally on the straight-line method over the following estimated useful lives:

	Years
Buildings and improvements	5 - 40
Machinery and equipment	5 - 7
Office furniture and equipment	3 - 5
Computer software and hardware	3 - 5
Equipment held for rental	2 - 7
Demonstration equipment	3 - 5
Transportation equipment	5 - 7

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

Schedule of Accrued Expenses

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

Schedule of Other (Expense) Income

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	)