Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 92,052	$ 75,727
Marketable securities	17,230	58,382
Accounts receivable, net	28,561	28,685
Inventories	33,008	26,276
Receivable from sale of business	1,988	2,997
Other	3,651	3,578
Total current assets	176,490	195,645
Marketable securities, long-term	2,011	3,541
Property, equipment and improvements, net	13,288	14,041
Identifiable intangible assets, net	12,529	4,041
Goodwill	131,069	109,448
Deferred tax assets	8,047	7,295
Receivable from sale of business	0	1,959
Other	268	196
Total assets	343,702	336,166
Current liabilities:
Accounts payable	9,829	8,569
Income taxes payable	84	167
Accrued compensation	3,339	10,787
Accrued restructuring	2,302	0
Unearned revenue	1,709	361
Contingent consideration on acquired businesses	1,147	513
Other	3,400	3,411
Total current liabilities	21,810	23,808
Income taxes payable	810	1,490
Deferred tax liabilities	504	616
Contingent consideration on acquired businesses	8,275	9,447
Other non-current liabilities	717	776
Total liabilities	32,116	36,137
Contingencies (see Note 12)
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; 32,970,786 and 32,471,175 shares issued	330	325
Additional paid-in capital	244,273	237,492
Retained earnings	146,135	141,112
Accumulated other comprehensive loss	(24,635)	(24,691)
Treasury stock, at cost, 6,434,970 and 6,430,797 shares	(54,517)	(54,209)
Total stockholders' equity	311,586	300,029
Total liabilities and stockholders' equity	$ 343,702	$ 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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- 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.