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Note 15 - Stock-Based Compensation Plans - Nonvested Share Awards (Details)
 12 Months Ended
Oct. 31, 2022
$ / shares
shares
Time-based Share Units [Member]  
Nonvested, time-based (in shares) | shares 229,924
Nonvested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 26.51
Granted, time-based (in shares) | shares 63,159
Granted, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 50.14
Vested, time-based (in shares) | shares (113,684)
Vested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 23.51
Forfeited, time-based (in shares) | shares (3,762)
Forfeited, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 39.49
Nonvested, time-based (in shares) | shares 175,637
Nonvested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 33.43
Performance Shares [Member]  
Nonvested, time-based (in shares) | shares 350,983
Nonvested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 35.60
Granted, time-based (in shares) | shares 335,794
Granted, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 42.91
Vested, time-based (in shares) | shares (179,265) [1]
Vested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 29.36 [1]
Forfeited, time-based (in shares) | shares (355)
Forfeited, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 73.50
Nonvested, time-based (in shares) | shares 507,157
Nonvested, weighted average grant date fair value, time-based (in dollars per share) | $ / shares $ 41.14
[1] Includes 49,484 time-based vested share awards and 116,785 performance-based vested share awards which were deferred and not yet issued at October 31, 2022.