CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Net sales
Product sales	$ 133,806	$ 119,799
Product services	19,973	17,012
Total net sales	153,779	136,811
Cost of sales
Product sales	69,141	64,096
Product services	13,440	12,201
Total cost of sales	82,581	76,297
Gross profit	71,198	60,514
Expenses:
Selling	21,460	19,411
General and administrative	22,197	18,507
Research and development	3,765	3,549
Total operating expenses	47,422	41,467
Income from operations	23,776	19,047
Interest expense	766	550
Interest income	(21)	(16)
Income before income taxes	23,031	18,513
Income taxes	8,777	7,274
Net income	$ 14,254	$ 11,239
Earnings per common share:
Basic (in dollars per share)	$ 0.34	$ 0.27
Diluted (in dollars per share)	0.34	$ 0.27
Dividends per common share (in dollars per share)	$ 0.06