Business Combinations - Pro Forma Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Business Acquisition, Pro Forma Information [Abstract]
Business acquisition, pro forma information, purchase accounting adjustment, reversal of debt interest expense		$ 0.2
B Medical Systems S.a.r.l and Subsidiaries
Business Acquisition, Pro Forma Information [Abstract]
Business acquisition, pro forma information, purchase accounting adjustment, reversal of research and development expense capitalization		0.0		$ 1.4
Business acquisition, pro forma information, purchase accounting adjustment, property, plant and equipment, inventory, and intangible asset step-up depreciation and amortization expense	$ 2.0	6.2	$ 5.9	18.9
Business acquisition, pro forma information, purchase accounting adjustment, transaction costs	$ 0.0	0.0	$ 3.6	8.9
Business acquisition, pro forma information, purchase accounting adjustment, reversal of debt interest expense				5.9
Business acquisition, pro forma information, purchase accounting adjustment, tax cost (benefit)		$ 1.6		$ 6.4