Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Receivables, net
Accounts receivable, trade	$ 151.7	$ 97.0
Accounts receivable, other	21.8	7.1
Total receivables, gross	173.5	104.1
Allowance for doubtful accounts	(0.2)	(0.2)
Receivables, net	173.3	103.9
Inventories
Inventory, raw materials, net	58.3	34.0
Inventory, work in process	0.1	0.1
Inventory, finished goods, net	141.4	83.8
Inventories	199.8	117.9
Accounts Payable
Accounts payable, trade	91.4	89.0
Accounts payable, other	2.4	2.9
Accounts payable	93.8	91.9
Other Current Liabilities
Estimated litigation liability, current	16.0	8.5
Accrued salaries, current	13.5	14.4
Derivative liability, current	0.0	4.7
Accrued advertising and promotion expense	4.8	3.8
Other accrued liabilities, current	15.4	11.7
Other current liabilities	$ 49.7	$ 43.1