Financial Instruments (Schedule Of Location And Amounts Of Gains And Losses On Derivative Instruments Not Designated As Hedging Instruments) (Details) (Forward Currency Contracts [Member], Other (Income) Expense, Net [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Forward Currency Contracts [Member] | Other (Income) Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in Earnings	$ 2.0	[1]	$ 1.8	[1]

[1] These derivative contracts mitigate changes in the value of remeasured foreign currency denominated monetary loans attributable to changes in foreign currency exchange rates.