Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenues	$ 194,017	$ 126,858
Cost of goods sold	145,823	107,394
Gross profit	48,194	19,464
Selling, general and administrative expenses	20,347	16,873
Research and development expenses	1,967	1,501
Operating income	25,880	1,090
Interest income, net	(3,998)	(523)
Income before income taxes	29,878	1,613
Income tax provision	5,793	451
Net income	$ 24,085	$ 1,162
Earnings per share:
Basic (in dollars per share)	$ 2.02	$ 0.10
Diluted (in dollars per share)	$ 1.98	$ 0.10
Weighted average shares:
Basic (in shares)	11,941	11,859
Diluted (in shares)	12,174	12,077
Dividends per share (in dollars per share)	$ 0.2625	$ 0.2600