Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of fair value assets measured on a non-recurring basis

The following table presents our assets measured at fair value on a non-recurring basis for each hierarchy level and represents only those assets whose carrying values were adjusted to fair value during the six months ended March 31, 2013 and 2012:

(In thousands)	Level 1	Level 2	Level 3		Total
Six Months Ended March 31, 2013
Land held for sale	—	—	$	2,013	$	2,013
Six Months Ended March 31, 2012
Development projects in progress	—	—	$	9,669	$	9,669
Land held for sale	—	—	$	1,600	$	1,600

Schedule of carrying values and estimated fair values of other financial assets and liabilities

The carrying values and estimated fair values of other financial assets and liabilities were as follows:

(In thousands)	As of March 31, 2013				As of September 30, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior Notes	$	1,223,485	$	1,305,905	$	1,201,067	$	1,228,745
Mandatory Convertible Subordinated Notes	—		—		9,402		7,465
Junior Subordinated Notes	52,637		52,637		51,603		51,603
	$	1,276,122	$	1,358,542	$	1,262,072	$	1,287,813