Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2018	Jul. 31, 2017
Current assets:
Cash and cash equivalents	$ 94,097	$ 36,584
Accounts receivable, net of allowance for doubtful accounts of $1,149 and $1,808	118,642	110,656
Inventories, net	107,592	98,724
Prepaid expenses and other current assets	17,912	11,407
Total current assets	338,243	257,371
Property and equipment, net	111,417	88,338
Intangible assets, net	137,361	124,512
Goodwill	368,027	311,445
Other assets	5,749	4,707
Deferred income taxes	2,911	0
Total assets	963,708	786,373
Current liabilities:
Accounts payable	34,258	27,469
Compensation payable	30,595	27,468
Accrued expenses	28,525	23,393
Deferred revenue	28,614	25,282
Current portion of long-term debt	10,000	0
Income taxes payable	2,791	3,167
Total current liabilities	134,783	106,779
Long-term debt	187,302	126,000
Deferred income taxes	27,624	24,714
Other long-term liabilities	5,132	4,948
Total liabilities	354,841	262,441
Commitments and Contingencies
Stockholders’ equity:
Preferred Stock, par value $1.00 per share; authorized 1,000,000 shares; none issued	0	0
Common Stock, par value $.10 per share; authorized 75,000,000 shares; issued 46,243,582 shares and outstanding 41,706,084 shares as of July 31, 2018; issued 46,194,374 shares and outstanding 41,728,934 shares as of July 31, 2017	4,624	4,619
Additional paid-in capital	184,212	174,602
Retained earnings	491,540	407,590
Accumulated other comprehensive loss	(11,456)	(9,900)
Treasury Stock, at cost; 4,537,498 shares as of July 31, 2018; 4,465,440 shares as of July 31, 2017	(60,053)	(52,979)
Total stockholders’ equity	608,867	523,932
Total liabilities and stockholders' equity	$ 963,708	$ 786,373