Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Sep. 30, 2022
Other current liabilities
Unrealized losses on foreign exchange contracts	$ 16.1	$ 31.2
Product warranty obligations	15.9	16.5
Taxes other than income taxes	44.6	65.6
Accrued interest	38.2	18.1
Income taxes payable	111.8	81.1
Operating lease liabilities	87.2	83.3
Other	94.1	107.2
Other current liabilities	$ 407.9	$ 403.0