Supplemental Balance Sheet Information (Components of Prepaid Expenses and Other) (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Components Of Prepaid Expenses And Other Current Assets [Line Items]
Deferred tax assets	$ 344.4	$ 347.4
Receivables other than trade	150.0	145.9
Prepaid taxes and tax refunds receivable	228.0	247.1
Prepaid brochure costs, paper and other literature	139.2	121.4
Short-term investments	13.5	17.1
Property, plant and equipment held for sale	12.8	12.8
Derivative Instruments and Hedges, Assets	7.0		20.9
Other	113.7	112.6
Prepaid expenses and other	$ 1,008.6	$ 1,025.2