CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Apr. 30, 2016	Jul. 31, 2015
Current assets:
Cash and cash equivalents	$ 25,498,000	$ 31,720,000
Accounts receivable, net of allowance for doubtful accounts of $1,998 at April 30 and $2,092 at July 31	91,524,000	69,805,000
Inventories, net	90,947,000	72,078,000
Deferred income taxes	6,254,000	6,233,000
Prepaid expenses and other current assets	11,706,000	8,525,000
Total current assets	225,929,000	188,361,000
Property and equipment, net	72,551,000	62,541,000
Intangible assets, net	119,030,000	85,836,000
Goodwill	284,018,000	241,951,000
Other assets	5,371,000	5,342,000
Total assets	706,899,000	584,031,000
Current liabilities:
Accounts payable	28,276,000	16,184,000
Compensation payable	21,507,000	18,557,000
Accrued expenses	21,536,000	15,092,000
Deferred revenue	19,034,000	18,323,000
Income taxes payable	921,000	2,468,000
Total current liabilities	91,274,000	70,624,000
Long-term debt	132,000,000	78,500,000
Deferred income taxes	31,926,000	23,722,000
Other long-term liabilities	$ 4,061,000	$ 4,552,000
Commitments and contingencies
Stockholders' equity:
Preferred Stock, par value $1.00 per share; authorized 1,000,000 shares; none issued
Common Stock, par value $.10 per share; authorized 75,000,000 shares; issued April 30 - 46,076,820 shares, outstanding April 30 - 41,703,698 shares; issued July 31 - 45,913,154 shares, outstanding July 31 - 41,604,359 shares	$ 4,608,000	$ 4,591,000
Additional paid-in capital	163,456,000	156,050,000
Retained earnings	328,265,000	287,105,000
Accumulated other comprehensive (loss) income	(2,803,000)	1,224,000
Treasury Stock, at cost; April 30 - 4,373,122 shares at cost; July 31 - 4,308,795 shares at cost	(45,888,000)	(42,337,000)
Total stockholders' equity	447,638,000	406,633,000
Total liabilities and stockholders' equity	$ 706,899,000	$ 584,031,000