Segment Data Segment Data (Schedule of Sales by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Revenue from External Customer [Line Items]
Net sales	$ 469.1	$ 463.3
United States
Revenue from External Customer [Line Items]
Net sales	271.8	262.5
International
Revenue from External Customer [Line Items]
Net sales	$ 197.3	$ 200.8

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details