Acquisitions (Schedule of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Sep. 30, 2022	Aug. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 798,575	$ 772,559
P M Controls [Member]
Business Acquisition [Line Items]
Accounts receivable	4,334
Inventories	2,464
Other current assets	386
Property, plant, and equipment	2,488
Goodwill	8,705		$ 8,705
Intangible assets	8,874		$ 8,874
Total assets acquired	27,251
Other current liabilities	(2,703)
Deferred income tax liabilities	(1,842)
Other noncurrent liabilities	(1,285)
Total liabilities assumed	(5,830)
Net assets acquired	$ 21,421