Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 81,142	$ 75,727
Marketable securities	51,939	58,382
Accounts receivable, net	28,005	28,685
Inventories	24,338	26,276
Receivable from sale of business	1,968	2,997
Other	4,623	3,578
Total current assets	192,015	195,645
Marketable securities, long-term	3,275	3,541
Property, equipment and improvements, net	13,983	14,041
Identifiable intangible assets, net	4,299	4,041
Goodwill	111,116	109,448
Deferred tax assets	6,644	7,295
Receivable from sale of business	0	1,959
Other	147	196
Total assets	331,479	336,166
Current liabilities:
Accounts payable	7,924	8,569
Income taxes payable	163	167
Accrued compensation	3,968	10,787
Accrued warranty	1,025	1,033
Contingent consideration on acquired business	1,841	513
Other	2,861	2,739
Total current liabilities	17,782	23,808
Income taxes payable	1,367	1,490
Deferred tax liabilities	575	616
Contingent consideration on acquired businesses	8,819	9,447
Other non-current liabilities	828	776
Total liabilities	29,371	36,137
Contingencies (see Note 11)
Stockholders' equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $.01 par value; 60,000,000 shares authorized; 32,826,739 and 32,471,175 shares issued	328	325
Additional paid-in capital	241,115	237,492
Retained earnings	143,469	141,112
Accumulated other comprehensive loss	(28,461)	(24,691)
Treasury stock, at cost, 6,429,147 and 6,430,797 shares	(54,343)	(54,209)
Total stockholders' equity	302,108	300,029
Total liabilities and stockholders' equity	$ 331,479	$ 336,166

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.