Inventories (Schedule of Capitalized Interest Costs) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Interest Costs
Capitalized interest at beginning of period		$ 212,160	$ 247,276	$ 209,129	$ 262,191
Interest incurred		36,024	35,228	107,356	115,096
Interest amortized to construction and land costs	[1]	(38,558)	(53,288)	(106,859)	(148,071)
Capitalized interest at end of period	[2]	$ 209,626	229,216	209,626	229,216
Land [Member]
Interest Costs
Interest amortized to construction and land costs			$ (300)	$ (600)	$ (4,300)

[1]
(a) Interest amortized to construction and land costs for the three months ended August 31, 2018 included $.3 million related to land sales during the period.

[2] b) Capitalized interest amounts reflect the gross amount of capitalized interest, as inventory impairment charges recognized, if any, are not generally allocated to specific components of inventory.