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Legal Matters (Details) | 9 Months Ended |
--- | --- | ---
Aug. 31, 2016 USD ($) a | Nov. 30, 2015 USD ($)
Nevada Development Contract Litigation |  |
Loss Contingencies [Line Items] |  |
Acres of purchased land by LVDA | a | 83 |
Expected interest charges | $ 41,000,000 |
Edwards, K. and Andrea L. Bejenaru, et. al. [Member] [Member] |  |
Loss Contingencies [Line Items] |  |
Expected compensatory damages | 66,000,000 |
Loss Contingency, Accrual, Current | 7,500,000 |
Loss Contingency Accrual |  | $ 7,500,000
San Diego Region (Basin Plan) [Domain] |  |
Loss Contingencies [Line Items] |  |
Site Contingency, Loss Exposure Not Accrued, Low Estimate | 100,000 |
Maximum [Member] | Nevada Development Contract Litigation |  |
Loss Contingencies [Line Items] |  |
Expected compensatory damages | 55,000,000 |
Minimum [Member] | Nevada Development Contract Litigation |  |
Loss Contingencies [Line Items] |  |
Expected compensatory damages | $ 0 |

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