Fair Value Disclosures (Tables)

3 Months Ended

Feb. 28, 2015

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 three months endedFebruary 28, 2015 and the year ended November 30, 2014 (in thousands):

Description	Fair Value Hierarchy	February 28, 2015		November 30, 2014
Inventories (a)	Level 2	$	—	$	6,421
Inventories (a)	Level 3	—		24,174

(a) Amounts represent the aggregate fair value for real estate assets impacted by inventory impairment charges during the period, as of the date that the fair value measurements were made. The carrying value for these real estate assets 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):

		February 28, 2015				November 30, 2014
	Fair Value Hierarchy	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Liabilities:
Senior notes	Level 2	$	2,558,642	$	2,634,330	$	2,308,275	$	2,468,852
Convertible senior notes	Level 2	230,000		216,200		230,000		229,713