Derivative Instruments (Summary Of The Effect Of Derivative Instruments On The Consolidated Statements Of Changes In Equity And Income) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Amount of Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)	$ 7,998,000		$ (8,224,000)		$ (8,184,000)
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)	(1,622,000)		(2,251,000)		(9,804,000)
Interest Rate Swap [Member]
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)	(1,749,000)	[1]	(1,613,000)	[1]	(4,722,000)	[1]
Fair value of derivatives in a liability position			4,500,000
Assets needed to settle obligations under the agreements			4,600,000
Cross Currency Swaps [Member]
Amount of Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)	2,278,000		(684,000)		(12,000)
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)	(160,000)	[2]	(617,000)	[2]	(784,000)	[2]
Currency Forward Agreements [Member]
Amount of Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)	8,092,000		(2,078,000)		(4,047,000)
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)	287,000	[3]	(21,000)	[3]	(4,298,000)	[3]
Interest Expense [Member] | Interest Rate Swap [Member]
Amount of Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)	(2,372,000)		(5,462,000)		(4,125,000)
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)					137,000
Costs Associated With Loan Refinancing [Member] | Interest Rate Swap [Member]
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)					4,600,000
Gain On Sale Of Real Estate [Member] | Cross Currency Swaps [Member]
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)					(4,300,000)
Other Expense [Member] | Currency Forward Agreements [Member]
Amount of Income (Expense) Reclassified from AOCI into Earnings (Effective Portion)					$ (37,000)

[1] For the years ended December 31, 2013 and 2012, included in “Interest expense, net” in accompanying consolidated statements of income. For the year ended December 31, 2011, $4.6 million included in “Costs associated with loan refinancing or payoff, net” and $137 thousand included in “Interest expense, net” in accompanying consolidated statements of income.

[2] Included in “Other expense” in the accompanying consolidated statements of income.

[3] For the years ended December 31, 2013 and 2012, included in "Other expense". For the year ended December 31, 2011, $4.3 million included in "Gain (loss) on sale or acquisition of real estate" and $37 thousand included in "Other expense" in the accompanying consolidated statements of income