Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income	$ 8,160	$ 5,778
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, equipment and improvements	4,993	3,211
Amortization of intangible assets	20,400	11,989
Stock-based compensation	6,402	6,331
Deferred income tax provision	2,363	1,995
Loss on sale of property and equipment	12	65
Change in fair value of contingent consideration	0	5,772
Provision for bad debt and product returns	906	1,520
Provision for inventory obsolescence	6,710	1,200
Restructuring charge	214	995
Other	(88)	84
Changes in operating assets and liabilities (net of acquisitions)	(34,618)	3,144
Net cash provided by operating activities	15,454	42,084
Investing activities:
Acquisition of business, net of cash acquired	(347,553)	(6,312)
Purchase of property, equipment, improvements and certain other intangible assets	(4,218)	(1,645)
Net cash used in investing activities	(351,771)	(7,957)
Financing activities:
Proceeds from long-term debt	350,000	618
Payments on long-term debt	(127,050)	(15,625)
Payments for contingent consideration	0	(4,200)
Proceeds from issuance of stock, net of offering expenses	0	73,830
Proceeds from stock option plan transactions	6,739	7,024
Proceeds from employee stock purchase plan transactions	1,100	917
Taxes paid for net share settlement of share-based payment options and awards	(6,476)	(1,985)
Net cash provided by financing activities	224,313	60,579
Effect of exchange rate changes on cash and cash equivalents	1,087	(1,893)
Net (decrease) increase in cash and cash equivalents	(110,917)	92,813
Cash and cash equivalents, beginning of period	152,432	54,129
Cash and cash equivalents, end of period	41,515	146,942
Supplemental schedule of non-cash investing and financing activities
Transfer of inventory to property, equipment and improvements	(1,742)	(1,624)
Contingent consideration recognized related to acquisition of business	0	(5,914)
Tenant improvement allowance	0	(1,000)
Accrual for purchase of property, equipment, improvements and certain other intangible assets	$ (69)	$ (14)