Fair Value Disclosures (Tables)

9 Months Ended

Aug. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on Nonrecurring Basis

The following table presents the fair value hierarchy and our assets measured at fair value on a nonrecurring basis for the nine months endedAugust 31, 2013 and the year ended November 30, 2012 (in thousands):

	Fair Value
Description	Hierarchy	August 31, 2013		November 30, 2012
Long-lived assets held and used (a)	Level 3	$	—	$	39,851

(a) Amounts represent the aggregate fair value for communities or land parcels where we recognized inventory impairment charges during the period, as of the date that the fair value measurements were made. The carrying value for these communities or land parcels may have subsequently increased or decreased from the fair value reflected due to activity that has occurred since the measurement date.

Schedule of Fair Value Hierarchy, Carrying Values, and Estimated Fair Values of Financial Instruments

The following table presents the fair value hierarchy, carrying values and estimated fair values of our financial instruments, except those for which the carrying values approximate fair values (in thousands):

		August 31, 2013				November 30, 2012
	Fair Value Hierarchy	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Liabilities:
Senior notes	Level 2	$	1,671,551	$	1,797,980	$	1,670,504	$	1,831,596
Convertible senior notes due February 1, 2019 at 1.375%	Level 2	230,000		220,386		—		—