Condensed Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Net sales	$ 772,725	$ 786,730
Costs and expenses:
Cost of goods sold	583,091	582,381
Selling, general and administrative expenses	69,696	74,511
Research and development costs	30,207	30,794
Interest expense	12,341	11,436
Interest income	(1,377)	(1,473)
Other (income) expense, net	(23,087)	(20,639)
Total costs and expenses	670,871	677,010
Earnings before income taxes	101,854	109,720
Income tax expense	14,763	19,676
Net earnings	$ 87,091	$ 90,044
Earnings per share:
Basic earnings per share	$ 1.47	$ 1.5
Diluted earnings per share	$ 1.42	$ 1.46
Weighted Average Common Shares Outstanding:
Basic	59,216	60,021
Diluted	61,141	61,846