XML 98 R83.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-Based Compensation - Summary of Activity For Unvested Performance Share Awards (Details) - Performance share awards - $ / shares
shares in Thousands
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Performance Shares      
Unvested at the beginning of the period (in shares) 187,421    
Granted (in shares) 53,976    
Vested (in shares) (37,153)    
Unvested at the end of the period (in shares) 204,244 187,421  
Weighted-Average Fair Value at Date of Grant      
Unvested at the beginning of the period (in dollars per share) $ 67.58    
Granted (in dollars per share) 90.59 $ 77.33 $ 59.58
Vested (in dollars per share) 65.40    
Unvested at the end of the period (in dollars per share) $ 76.16 $ 67.58