Legal Matters (Details)	12 Months Ended
	Nov. 30, 2015 USD ($) a
Nevada Development Contract Litigation
Loss Contingencies [Line Items]
Acres of purchased land by LVDA | a	83
Expected compensatory damages	$ 55,000,000
Prejudgment Interest for Litigation	41,000,000
Edwards, K. and Andrea L. Bejenaru, et. al. [Member] [Member]
Loss Contingencies [Line Items]
Expected compensatory damages	66,000,000
San Diego Region (Basin Plan) [Domain]
Loss Contingencies [Line Items]
Site Contingency, Loss Exposure Not Accrued, Low Estimate	100,000
Maximum | Nevada Development Contract Litigation
Loss Contingencies [Line Items]
Expected compensatory damages	55,000,000
Minimum | Nevada Development Contract Litigation
Loss Contingencies [Line Items]
Expected compensatory damages	$ 0