Derivative Instruments (Summary Of Gain (Loss) Recognized And The Amounts And Location Of Income (Expense) And Gain (Loss) Reclassified Into Income For Interest Rate Contracts And Foreign Currency Contracts) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Expense and Gain Reclassified into Income	$ 7,600
Interest Rate Exchange Agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income		955
Expense and Gain Reclassified into Income	(1,925)	(1,560)
Income Statement Caption	Interest expense
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income		(55)
Expense and Gain Reclassified into Income		$ 120
Income Statement Caption	Sales