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Related Party Transaction (Details) - 4% Unsecured Note, due November14, 2017 - USD ($)
3 Months Ended
Nov. 14, 2014
Jan. 29, 2016
Debt    
Aggregate principal amount of notes issued $ 30,000,000  
Interest rate percentage 4.00%  
Principal payment on each anniversary date $ 10,000,000  
Principal payment   $ 10,000,000