Segment Information and Major Customers Geographic revenue (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2023 USD ($) customer	Sep. 30, 2022 USD ($) customer	Sep. 30, 2021 USD ($) customer
Segment Reporting Information [Line Items]
Revenue | $	$ 444,849	$ 388,225	$ 308,632
Number of customer representing over ten percent of revenue	0
Accounts Receivable
Segment Reporting Information [Line Items]
Number of customer representing over ten percent of revenue	0	0	0
Revenue Benchmark
Segment Reporting Information [Line Items]
Number of customer representing over ten percent of revenue	0	0	0
United States | U.S. Export Net Sales | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percentage of concentration	27.20%	22.10%	26.20%