Fair value measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Apr. 30, 2024	Oct. 31, 2023
Assets:
Foreign currency forward contracts	$ 1,144	$ 696
Net investment contracts	9,148	13,713
Total assets at fair value	10,292	14,409
Liabilities:
Deferred compensation plans	10,875	9,637
Foreign currency forward contracts	5,202	10,425
Net investment contracts	11,243	9,985
Total liabilities at fair value	27,320	30,047
Level 1
Assets:
Foreign currency forward contracts	0	0
Net investment contracts	0	0
Total assets at fair value	0	0
Liabilities:
Deferred compensation plans	0	0
Foreign currency forward contracts	0	0
Net investment contracts	0	0
Total liabilities at fair value	0	0
Level 2
Assets:
Foreign currency forward contracts	1,144	696
Net investment contracts	9,148	13,713
Total assets at fair value	10,292	14,409
Liabilities:
Deferred compensation plans	10,875	9,637
Foreign currency forward contracts	5,202	10,425
Net investment contracts	11,243	9,985
Total liabilities at fair value	27,320	30,047
Level 3
Assets:
Foreign currency forward contracts	0	0
Net investment contracts	0	0
Total assets at fair value	0	0
Liabilities:
Deferred compensation plans	0	0
Foreign currency forward contracts	0	0
Net investment contracts	0	0
Total liabilities at fair value	$ 0	$ 0