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Fair Value Measurements (Assets Measured on Nonrecurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held for sale	$ 5,776	$ 5,776	$ 0
Loss on assets held for sale	5,100	5,147	$ 0	$ 0
Discontinued Operations, Held-for-sale | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held for sale	$ 5,776	5,776
Loss on assets held for sale		$ 5,147

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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-Topic 820
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+ References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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