Senior Unsecured Notes and Secured Debt (Tables)

3 Months Ended

Sep. 30, 2012

Senior Unsecured Notes And Secured Debt (Tables) [Abstract]

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1,2)		Debt (1,3)		Totals
2012	$	0	$	9,914	$	9,914
2013		300,000		221,368		521,368
2014		0		201,848		201,848
2015(4)		504,143		221,295		725,438
2016		700,000		318,507		1,018,507
Thereafter		3,444,403		1,327,589		4,771,992
Totals	$	4,948,546	$	2,300,521	$	7,249,067
(1) Amounts represent principal amounts due and do not include unamortized premiums/discounts or other fair value adjustments as reflected on the balance sheet.
(2) Annual interest rates range from 3.0% to 6.5%, excluding the Canadian denominated unsecured term loan discussed in footnote 4.
(3) Annual interest rates range from 1.2% to 8.0%. Carrying value of the properties securing the debt totaled $5,083,684,000 at September 30, 2012.
(4) On July 30, 2012, we completed funding on a $250,000,000 Canadian denominated unsecured term loan (approximately $254,143,000 USD at exchange rates on September 30, 2012). The loan is coterminous with the unsecured revolving credit facility and matures July 27, 2015 (with an option to extend for an additional year at our discretion) and bears interest at the Canadian Dealer Offered Rate plus 145 basis points (2.65% at September 30, 2012).

Summary of senior unsecured note issuances

	Nine Months Ended
	September 30, 2012			September 30, 2011
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	4,464,927	5.133%	$	3,064,930	5.129%
Debt issued		600,000	4.125%		1,400,000	5.143%
Debt extinguished		(76,853)	8.000%		-	0.000%
Debt redeemed		(293,671)	4.750%		-	0.000%
Ending balance	$	4,694,403	5.030%	$	4,464,930	5.133%

Secured debt principal activity

	Nine Months Ended
		September 30, 2012		September 30, 2011
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	2,108,373	5.34%	$	1,133,715	5.59%
Debt issued		145,713	4.13%		60,470	5.77%
Debt assumed		311,653	5.71%		693,797	5.40%
Debt extinguished		(237,259)	4.29%		-	0.00%
Foreign currency		288	5.62%		-	0.00%
Principal payments		(28,247)	5.35%		(20,285)	5.83%
Ending balance	$	2,300,521	5.42%	$	1,867,697	5.52%