Inventories (Schedule of Capitalized Interest Costs) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Interest Costs
Capitalized interest at beginning of period		$ 284,040	$ 227,200	$ 266,668	$ 216,681
Interest incurred		49,199	43,158	94,202	82,438
Interest Expense		(8,118)	(8,558)	(13,456)	(19,834)
Interest amortized to construction and land costs		(25,443)	(20,217)	(47,736)	(37,702)
Capitalized interest at end of period	[1]	$ 299,678	$ 241,583	$ 299,678	$ 241,583

[1] Capitalized interest amounts presented in the table reflect the gross amount of capitalized interest, as inventory impairment charges recognized, if any, are not generally allocated to specific components of inventory.