Supplemental Financial Statement Information (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Inventories
Raw materials and supplies	$ 95.6	$ 95.2
Work in process	122.2	150.2
Finished products	393.8	370.9
Total inventories	611.6	616.3
Other Current Assets
Miscellaneous receivables	100.9	56.7
Deferred income tax benefits	208.8	211.7
Prepaid expenses	108.1	87.5
Value added tax collectible from customers	64.1	57.6
Share option	0.8	7.7
Income taxes receivable	52.0	31.1
Other	26.6	20.9
Total other current assets	561.3	473.2
Property, Plant and Equipment
Land	45.2	39.1
Buildings	300.5	283.9
Machinery and equipment	1,858.9	1,799.2
Construction in progress	83.2	63.7
Total gross property	2,287.8	2,185.9
Accumulated depreciation	(1,440.2)	(1,430.3)
Total property, plant and equipment, net	847.6	755.6
Other Current Liabilities
Accrued advertising, sales promotion and allowances	110.6	100.3
Accrued trade allowances	102.7	93.1
Accrued salaries, vacations and incentive compensation	58.6	112.0
Returns reserve	19.8	49.8
2013 restructuring reserve	23.0	20.6
Other	196.9	198.2
Total other current liabilities	511.6	574.0
Other Liabilities
Pensions and other retirement benefits	332.4	315.9
Deferred compensation	174.7	167.8
Deferred income tax liabilities	571.3	541.7
Other non-current liabilities	87.5	86.2
Total other liabilities	$ 1,165.9	$ 1,111.6