Basis Of Presentation And Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended				3 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Before Currency Devaluation [Member] Venezuela Operations [Member]	Jun. 30, 2011 After Currency Devaluation [Member] Venezuela Operations [Member]	Mar. 31, 2010 Venezuela Operations [Member]	Jun. 30, 2011 Venezuela Operations [Member]	Jun. 30, 2010 Venezuela Operations [Member] SG&A [Member]	Jun. 30, 2011 SG&A [Member]	Jun. 30, 2010 SG&A [Member]	Jun. 30, 2011 SG&A [Member]	Jun. 30, 2010 SG&A [Member]
Stock-based compensation costs										$ 3.3	$ 4.1	$ 18.9	$ 20.6
Net interest income	1.4	1.2	2.6	2.9
Cumulative three year inflation rate percentage								100.00%
Bolivar exchange rate for imported essential goods (per U.S dollar)					2.15	2.60
Bolivar exchange rate for imported non-essential goods (per U.S. dollar)								4.30
Official exchange rate of foreign currency remeasured (per U.S. dollar)								4.30
Venezuela devaluation charges							21.5
Venezuela hyperinflationary charges									$ 56.6