Derivative Financial Instruments (Schedule Of Gains And Losses Related To Derivative Instruments) (Details) (Cash Flow Hedging [Member], Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (340)		$ 348		$ (636)		$ 289
Interest Expense [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ (1,512)	[1]	$ (1,912)	[1]	$ (2,593)	[2]	$ (3,823)	[2]

[1] (a)There were no gains or losses recognized in earnings related to any ineffective portion of the hedging relationship or related to any amount excluded from the assessment of hedge effectiveness for the three months ended June 30, 2014 and 2013.

[2] There were no gains or losses recognized in earnings related to any ineffective portion of the hedging relationship or related to any amount excluded from the assessment of hedge effectiveness for the six months ended June 30, 2014 and 2013.