The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Acquisitions - Results of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition, Pro Forma Information [Abstract]
Amortization of intangible assets	$ 12.4	$ 7.9	$ 15.9		$ 24.0
B Medical Systems S.a.r.l and Subsidiaries
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	15.1		57.3
Actual net income (loss)	(10.4)		$ (13.0)
Acquisition related costs	$ 0.2			$ 8.9