Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Net sales
Net sales	$ 225,589	$ 212,766
Cost of sales
Cost of sales	120,340	112,107
Gross profit	105,249	100,659
Expenses:
Selling	33,958	31,600
General and administrative	36,535	32,096
Research and development	7,078	5,329
Total operating expenses	77,571	69,025
Income from operations	27,678	31,634
Interest expense, net	2,026	1,189
Other income	0	(1,138)
Income before income taxes	25,652	31,583
Income taxes	6,410	8,654
Net income	$ 19,242	$ 22,929
Earnings per common share:
Basic (in dollars per share)	$ 0.46	$ 0.55
Diluted (in dollars per share)	0.46	0.55
Dividends declared per common share (in dollars per share)	$ 0	$ 0
Product sales
Net sales
Net sales	$ 195,760	$ 187,965
Cost of sales
Cost of sales	99,310	95,099
Product service
Net sales
Net sales	29,829	24,801
Cost of sales
Cost of sales	$ 21,030	$ 17,008