Segment Information (Tables)

9 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Summary of Consolidated Net Sales and Earnings by Segment

A summary of consolidated net sales and earnings by segment follows:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2025			2024			2025			2024
Segment external net sales:
Aerospace	$	595,990		$	517,560		$	1,651,601		$	1,475,828
Industrial		319,456			330,128			920,199			993,933
Total consolidated net sales	$	915,446		$	847,688		$	2,571,800		$	2,469,761
Segment earnings:
Aerospace	$	125,740		$	101,842		$	345,081		$	279,295
Industrial		47,622			59,717			133,786			191,842
Nonsegment expenses		(36,130	)		(29,675	)		(84,986	)		(88,709	)
Interest expense, net		(10,396	)		(9,788	)		(32,228	)		(29,988	)
Consolidated earnings before income taxes	$	126,836		$	122,096		$	361,653		$	352,440

Summary of Consolidated Total Assets by Segment

Segment assets consist of accounts receivable, inventories, property, plant, and equipment, net, goodwill, and other intangibles, net. A summary of consolidated total assets by segment follows:

	June 30, 2025		September 30, 2024
Segment assets:
Aerospace	$	2,043,800	$	1,936,507
Industrial		1,515,674		1,509,495
Unallocated corporate property, plant, and equipment, net		118,247		120,946
Other unallocated assets		1,034,129		801,967
Consolidated total assets	$	4,711,850	$	4,368,915