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Legal Matters (Details) | 3 Months Ended
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Feb. 28, 2017 USD ($) a
Nevada Development Contract Litigation |
Loss Contingencies [Line Items] |
Acres of purchased land by LVDA | a | 83
Expected interest charges | $ 41,000,000
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

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