CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Jul. 31, 2011
Current assets:
Cash and cash equivalents	$ 19,646	$ 18,410
Accounts receivable, net of allowance for doubtful accounts of $1,101 at October 31 and $1,096 at July 31	43,677	46,121
Inventories:
Raw materials	20,493	18,649
Work-in-process	5,629	4,727
Finished goods	19,935	16,688
Total inventories	46,057	40,064
Deferred income taxes	3,688	3,645
Prepaid expenses and other current assets	5,549	3,084
Total current assets	118,617	111,324
Property and equipment, net	44,214	34,459
Intangible assets, net	78,167	39,191
Goodwill	184,545	134,770
Other assets	3,678	1,699
Total assets	429,221	321,443
Current liabilities:
Current portion of long-term debt	10,000
Accounts payable	11,823	13,218
Compensation payable	6,161	11,758
Accrued expenses	10,123	8,415
Deferred revenue	6,206	6,718
Acquisitions payable	3,322	2,325
Dividends payable	1,258
Income taxes payable	3,319	977
Total current liabilities	52,212	43,411
Long-term debt	106,500	24,000
Deferred income taxes	18,355	18,450
Acquisitions payable	3,618
Other long-term liabilities	1,279	1,267
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 30,000,000 shares; October 31 - 19,822,855 shares issued and 17,919,657 shares outstanding; July 31 - 19,158,029 shares issued and 17,273,431 shares outstanding	1,982	1,916
Additional paid-in capital	120,001	110,735
Retained earnings	143,687	138,725
Accumulated other comprehensive income	8,375	9,283
Treasury Stock, at cost; October 31 - 1,903,198 shares; July 31 - 1,884,598 shares	(26,788)	(26,344)
Total stockholders' equity	247,257	234,315
Total liabilities and stockholders' equity	$ 429,221	$ 321,443