Income Taxes (Deferred Income Taxes Assets And Liabilities, Carrying Amount) (Details) - USD ($) $ in Thousands	Nov. 30, 2015	Nov. 30, 2014
Inventory valuation adjustments	$ 58,902	$ 59,208
Reserves and accruals	197,980	158,858
Net operating loss carryforwards	122,573	115,850
Capitalized expenses	91,873	66,768
Deferred tax assets, equity method investments	10,407	24,843
Other assets	45,725	32,904
Total deferred tax assets	527,460	458,431
Valuation allowance	(5,945)	(8,029)
Total deferred tax assets after valuation allowance	521,515	450,402
Capitalized expenses	32,954	64,448
Convertible debt basis difference	229	5,833
Deferred Tax Liabilities, Tax Deferred Income	104,270	7,707
Other	32,282	36,323
Total deferred tax liabilities	180,790	136,573
Net deferred tax assets	340,725	313,829
Rialto [Member]
Investments in unconsolidated entities	11,055	$ 22,262
Net deferred tax assets	$ 10,518