Property, Plant and Equipment (Tables)

12 Months Ended

Jul. 31, 2023

Property, Plant and Equipment [Abstract]

Property, plant, and equipment

Property, plant and equipment consist of the following at July 31, 2023 and 2022:

	2023		2022
Machinery and equipment	$	193,832,000	186,935,000
Leasehold improvements	9,680,000		14,260,000
	203,512,000		201,195,000
Less accumulated depreciation and amortization	150,483,000		150,832,000
Property, plant and equipment, net	$	53,029,000	50,363,000