Equity And Accumulated Other Comprehensive Loss, Net (Schedule Of Dividends) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	9 Months Ended
	Apr. 09, 2013	Sep. 30, 2013
Installment 1 FY2013 [Member]
Dividends Payable [Line Items]
Date dividend/distribution declared		Feb. 12, 2013
Dividend/Distribution payable date		Mar. 29, 2013
Installment 2 FY2013 [Member]
Dividends Payable [Line Items]
Date dividend/distribution declared		May 01, 2013
Dividend/Distribution payable date		Jun. 28, 2013
Installment 3 FY2013 [Member]
Dividends Payable [Line Items]
Date dividend/distribution declared		Jul. 23, 2013
Dividend/Distribution payable date		Sep. 30, 2013
Series E Cumulative Convertible Preferred Units [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		$ 15,093
Preferred stock dividend per share amount		$ 1.750
Series E Cumulative Convertible Preferred Units [Member] | Installment 1 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		5,031	[1]
Series E Cumulative Convertible Preferred Units [Member] | Installment 2 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		5,031
Series E Cumulative Convertible Preferred Units [Member] | Installment 3 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		5,031
Series F Cumulative Convertible Preferred Units [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		9,069
Preferred stock dividend per share amount		$ 1.656
Series F Cumulative Convertible Preferred Units [Member] | Installment 1 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		3,023	[2]
Series F Cumulative Convertible Preferred Units [Member] | Installment 2 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		3,023
Series F Cumulative Convertible Preferred Units [Member] | Installment 3 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		3,023
Series G Cumulative Convertible Preferred Units [Member] [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		7,017	[3]
Preferred stock dividend per share amount	$ 1.46875	$ 1.469
Shares issued upon conversion		0.7532
Preferred stock, redemption price per share		$ 25.00
Series G Cumulative Convertible Preferred Units [Member] [Member] | Installment 2 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		3,345	[3],[4]
Series G Cumulative Convertible Preferred Units [Member] [Member] | Installment 3 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock/units		3,672	[3]
Common Stock [Member]
Dividends Payable [Line Items]
Dividends/Distributions, common stock/units		300,514	[5]
Common stock dividend per share amount		$ 3.120
Common Stock [Member] | Installment 1 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, common stock/units		100,165	[5]
Common Stock [Member] | Installment 2 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, common stock/units		100,169	[5]
Common Stock [Member] | Installment 3 FY2013 [Member]
Dividends Payable [Line Items]
Dividends/Distributions, common stock/units		$ 100,180	[5]

[1] $1.750 annual rate of dividend per share.

[2] $1.656 annual rate of dividend per share.

[3] $1.469 annual rate of dividend per share.

[4] Represents a pro rata dividend from and including the original issue date to and including June 30, 2013.

[5] $3.120 annual rate of dividend per share.