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Fair Value Disclosures (Narratives) (Details) (USD $)
 3 Months Ended 12 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Nov. 30, 2013
Fair Value Disclosures [Abstract]      
Impairment of Long-Lived Assets Held-for-use $ 0 $ 0 $ 400,000
Long-lived assets held and used, carrying value     1,500,000
Estimate of Fair Value, Fair Value Disclosure
      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Post Impairment Fair Value     $ 1,100,000