STOCKHOLDERS' EQUITY (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Nov. 30, 2011
Jun. 30, 2012
May 31, 2012
Nov. 30, 2011
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Jun. 29, 2012
May 24, 2012
Oct. 31, 2012
Stock repurchase program
Oct. 31, 2011
Stock repurchase program
Oct. 31, 2010
Stock repurchase program
Dec. 11, 2012
Stock repurchase program
Dec. 01, 2010
Stock repurchase program
Nov. 30, 2010
Stock repurchase program
STOCKHOLDERS' EQUITY                              
Common stock split, conversion ratio   2 2 2                      
Percentage of common stock dividend distributed as a result of stock split               100.00%              
Shares issued to stockholders as a result of common stock split     29,400,000                        
Common stock, par value (in dollars per share)         $ 1.00 $ 1.00     $ 1.00            
Value of shares transferred from retained earnings to common stock     $ 29,390                        
Treasury shares held         19,797,958 48,858,250                  
Cost of treasury shares (in dollars)         1,012,536 984,583                  
Number of treasury shares authorized to be retired by the company's Board of Directors 30,000,000                            
Stock repurchase program                              
Number of shares authorized to be repurchased                           6,000,000 3,000,000
Additional number of shares authorized to be repurchased                         5,000,000    
Amount paid to repurchase the shares (in dollars)         $ 93,395 $ 129,955 $ 135,777     $ 92,719 $ 129,955 $ 135,777      
Repurchase of shares         2,604,525 4,592,760 5,356,948     2,591,039 4,592,760 5,356,948      
Number of shares remained authorized for repurchase                   1,474,677