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Acquisitions - Pro Forma Results (Details) - Signature Management & Power (SM&P) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Acquisitions
Net sales	$ 1,198.2	$ 1,097.3
Net earnings from continuing operations	$ 111.1	$ 61.2

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