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Summary of Significant Accounting Policies, (As Restated for fiscal 2014 and 2013) - Narrative - Conditional Asset Retirement Obligations (Details)
12 Months Ended
Nov. 30, 2015
Accounting Policies [Abstract]  
Useful life of property, plant and equipment, net 15 years
Estimated retirement period of assets expected to be retired in 15 years 30 years