Supplemental Statement of Cash Flows Information (Schedule of Supplemental Statement of Cash Flows Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Supplemental Cash Flow Information [Abstract]
Interest paid			$ 18,366	$ 18,068
Income taxes paid			43,141	59,677
Income tax refunds received			4,182	3,662
Non-cash activities:
Purchases of property, plant and equipment on account			6,292	2,127
Common shares issued from treasury to settle benefit obligations	$ 24,058	$ 21,887	24,912	$ 21,887
Receivables related to business divestitures			$ 7,003