Fair Value Disclosures (Tables)

9 Months Ended

Aug. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on Nonrecurring Basis

The following table presents the fair value hierarchy, pre-impairment value, inventory impairment charges and fair value for our assets measured at fair value on a nonrecurring basis for the nine months endedAugust 31, 2018 and the year ended November 30, 2017 (in thousands):

		August 31, 2018							November 30, 2017
Description	Fair Value Hierarchy	Pre-Impairment Value		Inventory Impairment Charges			Fair Value (a)		Pre-Impairment Value		Inventory Impairment Charges			Fair Value (a)
Inventories	Level 3	$	49,571	$	(17,827	)	$	31,744	$	58,962	$	(20,605	)	$	38,357

(a) Amounts represent the aggregate fair value for real estate assets impacted by inventory impairment charges during the applicable period as of the date 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 fair values of our financial instruments, except those for which the carrying values approximate fair values (in thousands):

		August 31, 2018				November 30, 2017
	Fair Value Hierarchy	Carrying Value (a)		Fair Value		Carrying Value (a)		Fair Value
Financial Liabilities:
Senior notes	Level 2	$	1,789,350	$	1,884,875	$	2,086,070	$	2,292,250
Convertible senior notes	Level 2	229,482		238,913		228,572		278,300