Results of Operations by Quarter (Components Impacting Operating Profit) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Total costs to implement restructuring initiatives	$ 8.7	$ 4.6	$ 12.0	$ 14.7	$ 58.3	$ 6.8	$ 10.4	$ 5.2	$ 40.0	$ 80.7
Venezuelan special items					0	7.0	33.4	39.1		79.5
Impairment of Silpada goodwill and intangible asset	263.0								263.0	0	0
Cost of Sales [Member]
Total costs to implement restructuring initiatives	3.0	3.5	3.5	1.2	2.6	2.2	2.2	2.5	11.2	9.5
Selling General and Administrative Expenses [Member]
Total costs to implement restructuring initiatives	$ 5.7	$ 1.1	$ 8.5	$ 13.5	$ 55.7	$ 4.6	$ 8.2	$ 2.7	$ 28.8	$ 71.2