Inventories (Tables)

6 Months Ended

Jan. 31, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	January 31, 2015		July 31, 2014
Raw materials and components	$	53,236,000	50,423,000
Work-in-process and finished goods	30,360,000		27,218,000
Total inventories	83,596,000		77,641,000
Less reserve for excess and obsolete inventories	16,124,000		16,309,000
Inventories, net	$	67,472,000	61,332,000