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Selected Financial Statement Data (Tables)

12 Months Ended

Apr. 29, 2023

Inventory Disclosure [Abstract]

Schedule of inventory, current

Inventories consisted of the following:

			April 29, 2023						April 30, 2022
Raw materials			$	81,627					$	71,410
Work-in-process			14,155						14,238
Finished goods			53,666						48,744
			$	149,448					$	134,392

Property, plant and equipment

Property and equipment, net consisted of the following:

			April 29, 2023						April 30, 2022
Land			$	1,996					$	1,899
Buildings			71,222						69,170
Machinery and equipment			126,164						110,079
Office furniture and equipment			4,112						4,098
Computer software and hardware			44,700						46,922
Construction in Process			2,805						5,792
Demonstration equipment			7,432						7,260
Transportation equipment			7,057						7,065
			265,488						252,285
Less accumulated depreciation			193,341						185,520
			$	72,147					$	66,765

Schedule of accrued liabilities

Accrued expenses consisted of the following:

			April 29, 2023						April 30, 2022
Compensation			$	17,466					$	15,944
Taxes, other than income taxes			3,390						6,741
Accrued employee benefits			3,953						3,227
Operating lease liabilities			2,253						2,309
Short-term accrued expenses			8,943						6,738
			$	36,005					$	34,959

Schedule of other nonoperating income (expense)

Other (expense) income, net consisted of the following:

			Year Ended
			April 29, 2023						April 30, 2022						May 1, 2021
Foreign currency transaction gains (losses)			$	479					$	(227)					$	(675)
Equity in losses of affiliates			(3,332)						(2,970)						(2,370)
Impairment of equity method investee			(4,473)						—						—
Other			115						88						62
			$	(7,211)					$	(3,109)					$	(2,983)

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