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Fair Value Measurements (Details 2) (USD $)
Nov. 30, 2013
Dec. 01, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt carrying value $ 166,636,000 $ 16,592,000
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt fair value estimate $ 166,288,000 $ 16,532,000