Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Mar. 31, 2023	Sep. 30, 2022
Inventories
Raw materials and supplies	$ 95.3	$ 80.4
Work in process	99.1	103.2
Finished products	346.1	265.7
Total inventories	540.5	449.3
Other Current Assets
Prepaid expenses	75.1	70.2
Value added tax receivables	42.4	52.7
Income taxes receivable	20.0	19.3
Other	15.2	25.1
Total other current assets	152.7	167.3
Property, Plant and Equipment
Land	18.7	18.0
Buildings	143.3	140.3
Machinery and equipment	1,093.5	1,050.0
Capitalized software costs	59.5	56.5
Construction in progress	38.9	47.0
Total gross property, plant and equipment	1,353.9	1,311.8
Accumulated depreciation and amortization	(1,011.6)	(966.3)
Total property, plant and equipment, net	342.3	345.5
Other Current Liabilities
Accrued advertising and sales promotion	44.8	34.9
Short term lease obligation	9.0	8.8
Other	257.6	256.8
Total other current liabilities	302.4	291.7
Other Liabilities
Pensions and other retirement benefits	58.3	57.9
Noncurrent lease obligation	41.0	41.5
Other	109.1	115.7
Total other liabilities	$ 167.4	$ 173.6