Financial Instruments (Schedule of Location and Amounts of Gains and Losses on the Derivative Instrument Not Designated as Hedging Instruments) (Details) (Forward Currency Contracts [Member], Other (Income) Expense, Net [Member], USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011		Jun. 30, 2011
Forward Currency Contracts [Member] | Other (Income) Expense, Net [Member]
Gain Recognized in Earnings	$ 2.7	[1]	$ 4.6	[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.