Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 146,942	$ 54,129
Accounts receivable, net	41,276	59,227
Inventories	47,263	51,568
Other current assets	10,833	5,134
Total current assets	246,314	170,058
Property, equipment and improvements, net	12,559	11,507
Operating lease right-of-use assets	16,342	14,334
Intangible assets, net	114,982	121,248
Goodwill	221,331	210,135
Deferred tax assets	160	389
Other non-current assets	1,363	1,011
Assets	613,051	528,682
Current liabilities:
Current portion of long-term debt	0	1,972
Accounts payable	18,840	28,067
Accrued compensation	11,544	9,372
Unearned revenue	13,047	7,691
Contingent consideration on acquired business	3,000	4,228
Current portion of operating lease liabilities	2,680	2,527
Other current liabilities	8,304	7,373
Total current liabilities	57,415	61,230
Income taxes payable	2,067	1,958
Deferred tax liabilities	18,662	17,171
Long-term debt	45,670	58,980
Operating lease liability	19,072	16,193
Other non-current liabilities	4,694	1,650
Total liabilities	147,580	157,182
Commitments and Contingencies (see Note 15)
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; 40,530,498 and 35,512,843 shares issued	405	355
Additional paid-in capital	367,253	279,741
Retained earnings	176,116	170,330
Accumulated other comprehensive loss	(21,749)	(23,817)
Treasury stock, at cost, 6,419,504 and 6,353,094 shares	(56,554)	(55,109)
Total stockholders' equity	465,471	371,500
Total liabilities and stockholders' equity	$ 613,051	$ 528,682