Inventories (Tables)

3 Months Ended

Oct. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	October 31, 2016		July 31, 2016
Raw materials and components	$	55,306,000	54,723,000
Work-in-process and finished goods	36,176,000		32,829,000
Total inventories	91,482,000		87,552,000
Less reserve for excess and obsolete inventories	15,823,000		16,198,000
Inventories, net	$	75,659,000	71,354,000