Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
Effective tax rate	20.90%	20.60%
Income tax benefit on continuing operations	$ (7.7)	$ (2.6)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (36.9)	$ (12.7)