Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2025	Sep. 30, 2025
Other Current Assets
Prepaid expenses	$ 75.8	$ 69.8
Value added tax receivables	45.5	43.7
Income taxes receivable	28.4	13.3
Other	11.9	11.8
Total other current assets	161.6	138.6
Other Current Liabilities
Accrued advertising and sales promotion	29.9	23.6
Accrued trade allowances	22.3	27.6
Accrued salaries, vacations and incentive compensation	33.8	52.9
Income taxes payable	13.0	20.3
Returns reserve	29.1	42.8
Accrued interest	9.7	24.7
Restructuring Reserve, Current	8.6	16.7
Other	101.5	102.5
Total other current liabilities	247.9	311.1
Other Liabilities
Pensions and other retirement benefits	30.9	32.7
Other	114.2	102.9
Total other liabilities	$ 145.1	$ 135.6