Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Cash Flows From Operating Activities
Net earnings	$ 42,459	$ 71,407	$ 46,186
Non-cash items included in net earnings:
Depreciation of property, plant and equipment	6,599	6,510	5,823
Amortization of intangible assets	9,912	8,776	7,744
Stock compensation expense	6,900	4,156	3,802
Deferred income taxes	(1,101)	(3,835)	760
Estimated litigation costs	10,000	0	0
Change in fair value of acquisition consideration and settlement	0	(909)	(6,293)
Change in the following, net of acquisitions:
Accounts receivable	4,564	(12,766)	(971)
Inventories	5,223	(7,800)	(18,977)
Prepaid expenses and other current assets	(1,553)	(3,711)	(153)
Accounts payable and accrued expenses	1,038	6,346	7,248
Income taxes payable	565	(329)	1,435
Other, net	(2,245)	(980)	1,372
Net cash provided by operating activities	82,361	66,865	47,976
Cash Flows From Investing Activities
Purchase of property, plant and equipment	(8,615)	(18,312)	(3,299)
RADx grant proceeds offsetting cost of equipment	1,250	1,500	0
Acquisitions, net of cash acquired and holdback	(3,750)	(18,585)	(51,299)
Payment of acquisition consideration holdback	0	(5,000)	0
Net cash used in investing activities	(11,115)	(40,397)	(54,598)
Cash Flows From Financing Activities
Payment on revolving credit facility	(35,000)	(18,824)	(57,000)
Proceeds from revolving credit facility	0	10,000	50,000
Payment of acquisition consideration	0	(20,000)	0
Payment on government grant obligations	0	(5,297)	0
Payment of debt issuance costs	(404)	0	(116)
Proceeds from exercises of stock options	2,450	3,052	3,559
Employee taxes paid upon stock option exercises and net share settlement of restricted share units	(1,349)	0	0
Net cash used in financing activities	(34,303)	(31,069)	(3,557)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(5,261)	858	1,296
Net Increase (Decrease) in Cash and Cash Equivalents	31,682	(3,743)	(8,883)
Cash and Cash Equivalents at Beginning of Period	49,771	53,514	62,397
Cash and Cash Equivalents at End of Period	$ 81,453	$ 49,771	$ 53,514