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STOCK-BASED COMPENSATION (Details) (USD $)
3 Months Ended 12 Months Ended
Jan. 28, 2007
Oct. 27, 2013
Stock options
   
Stock-based compensation    
Stock option expiration period   10 years
Number of options granted (pre-2011 split) during one-time stock option grant to full time employees of the company on January 8, 2007 (in shares) 100  
Vesting period of universal stock option grant 5 years  
The per share closing price (pre-2011 split) of common stock on attainment of which the grants will vest (in dollars per share) $ 50.00  
Number of consecutive trading days during which the closing price of the entity's common stock must exceed the specified price in order for the granted options to vest 5 days  
Stock options | Minimum
   
Stock-based compensation    
Vesting period   6 months
Stock options | Maximum
   
Stock-based compensation    
Vesting period   4 years
Nonvested shares | Shares granted on or before September 26, 2010
   
Stock-based compensation    
Vesting period   5 years
Nonvested shares | Shares granted after September 26, 2010
   
Stock-based compensation    
Vesting period   1 year