STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) (USD $)
3 Months Ended 0 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Nov. 22, 2013
May 14, 2013
Share Repurchase Program [Line Items]        
Cost to repurchases shares of common stock under share repurchase program $ 6,000,000 $ 100,000,000    
Number of shares repurchased (in shares) 158,000 2,000,000    
2014 Share Repurchase Program        
Share Repurchase Program [Line Items]        
Initial amount authorized       $ 1,000,000,000
Maintain weighted average diluted shares count     335,000,000