Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Disclosures [Abstract]

Summary Of Carrying Amount And Fair Value Of Financial Instruments

	September 30, 2011				December 31, 2010
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Mortgages and notes payable	$	662,734	$	722,164	$	627,382	$	685,552
Senior notes and debentures	$	1,004,686	$	1,089,081	$	1,079,827	$	1,168,679