Acquisitions and Divestitures (Schedule of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Aug. 31, 2022	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Goodwill	$ 772,559		$ 805,333	$ 808,252
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		8,526
Intangible assets		9,916
Total assets acquired		28,114
Other current liabilities		(2,688)
Deferred income tax liabilities		(1,842)
Other noncurrent liabilities		(1,285)
Total liabilities assumed		(5,815)
Net assets acquired		$ 22,299