Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2012

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 three months ended December 31, 2012 and 2011:

(In thousands)	Level 1	Level 2	Level 3	Total
Three Months Ended December 31, 2012
Development projects in progress	—	—	—	—
Land held for sale	—	—	—	—
Three Months Ended December 31, 2011
Development projects in progress	—	—	6,377	6,377
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 December 31, 2012				As of September 30, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior Notes	$	1,199,344	$	1,259,773	$	1,201,067	$	1,228,745
Mandatory Convertible Subordinated Notes	9,402		6,890		9,402		7,465
Junior Subordinated Notes	52,120		52,120		51,603		51,603
	$	1,260,866	$	1,318,783	$	1,262,072	$	1,287,813