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Business Segment Information - Schedule Of Geographic Information Net Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Business Segment Information
Net Sales	$ 1,095,388	$ 919,127	$ 855,793
United States
Business Segment Information
Net Sales	727,267	632,836	576,639
Asia
Business Segment Information
Net Sales	111,844	108,423	114,698
Europe
Business Segment Information
Net Sales	156,404	91,762	80,691
Canada
Business Segment Information
Net Sales	56,693	50,728	46,822
Other
Business Segment Information
Net Sales	$ 43,180	$ 35,378	$ 36,943

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