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Fair value measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Recurring - USD ($)
$ in Thousands
Apr. 30, 2022
Oct. 31, 2021
Assets:    
Foreign currency forward contracts $ 5,389 $ 2,755
Total assets at fair value 5,389 2,755
Liabilities:    
Deferred compensation plans 10,407 9,115
Foreign currency forward contracts 19,819 4,507
Total liabilities at fair value 30,226 13,622
Level 1    
Assets:    
Foreign currency forward contracts 0 0
Total assets at fair value 0 0
Liabilities:    
Deferred compensation plans 0 0
Foreign currency forward contracts 0 0
Total liabilities at fair value 0 0
Level 2    
Assets:    
Foreign currency forward contracts 5,389 2,755
Total assets at fair value 5,389 2,755
Liabilities:    
Deferred compensation plans 10,407 9,115
Foreign currency forward contracts 19,819 4,507
Total liabilities at fair value 30,226 13,622
Level 3    
Assets:    
Foreign currency forward contracts 0 0
Total assets at fair value 0 0
Liabilities:    
Deferred compensation plans 0 0
Foreign currency forward contracts 0 0
Total liabilities at fair value $ 0 $ 0