Inventories (Schedule of Capitalized Interest Costs) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Interest Costs
Capitalized interest at beginning of period		$ 213,370	$ 259,785	$ 209,129	$ 262,191
Interest incurred		36,544	39,924	71,332	79,868
Interest amortized to construction and land costs	[1]	(37,754)	(52,433)	(68,301)	(94,783)
Capitalized interest at end of period	[2]	$ 212,160	247,276	212,160	247,276
Land [Member]
Interest Costs
Interest amortized to construction and land costs			$ (3,100)	$ (600)	$ (4,100)

[1] (a)Interest amortized to construction and land costs for the three months ended May 31, 2019 and 2018 included a nominal amount and $3.1 million, respectively, related to land sales during the periods.

[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.