Inventories (Schedule of Capitalized Interest Costs) (Details) - USD ($) $ in Thousands		3 Months Ended
		Feb. 28, 2018	Feb. 28, 2017
Interest Costs
Capitalized interest at beginning of period		$ 262,191	$ 306,723
Interest incurred	[1]	39,944	50,079
Interest Expense	[1]	0	(6,307)
Interest amortized to construction and land costs	[2]	(42,350)	(39,384)
Capitalized interest at end of period	[3]	259,785	311,111
Loss on early extinguishment of debt		0	5,685
Land [Member]
Interest Costs
Interest amortized to construction and land costs		$ (1,000)	$ (500)

[1] Interest incurred and interest expensed for the three months ended February 28, 2017 included a charge of $5.7 million for the early extinguishment of debt

[2] Interest amortized to construction and land costs for the three months ended February 28, 2018 and 2017 included $1.0 million and $.5 million, respectively, related to land sales during those periods.

[3] 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.