Property, Plant and Equipment (Tables)

12 Months Ended

Jul. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, plant and equipment consist of the following at July 31, 2016 and 2015:

	2016		2015
Machinery and equipment	$	137,595,000	108,726,000
Leasehold improvements	13,784,000		12,013,000
	151,379,000		120,739,000
Less accumulated depreciation and amortization	112,712,000		105,369,000
Property, plant and equipment, net	$	38,667,000	15,370,000