Selected Financial Statement Data (Tables)

3 Months Ended

Aug. 01, 2020

Selected Financial Statement Data [Abstract]

Schedule of Inventory

Inventories consisted of the following: 

	August 1, 2020		May 2, 2020
Raw materials	$	33,076	$	35,306
Work-in-process	9,943		12,102
Finished goods	38,416		39,395
	$	81,435	$	86,803

Schedule of Property and Equipment

Property and equipment, net consisted of the following:

	August 1, 2020		May 2, 2020
Land	$	2,183	$	2,183
Buildings	69,967		68,804
Machinery and equipment	105,188		104,157
Office furniture and equipment	6,174		6,151
Computer software and hardware	53,691		53,441
Equipment held for rental	287		287
Demonstration equipment	8,368		8,473
Transportation equipment	7,783		7,944
	253,641		251,440
Less accumulated depreciation	187,582		183,956
	$	66,059	$	67,484