Fair value measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Apr. 30, 2025	Oct. 31, 2024
Assets:
Foreign currency forward contracts	$ 24,170	$ 3,332
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	12,567
Net investment contracts	5,133	6,049
Total assets at fair value	41,870	9,381
Liabilities:
Deferred compensation plans	10,765	9,615
Foreign currency forward contracts	8,396	5,508
Net investment contracts	55,781	20,261
Total liabilities at fair value	74,942	35,384
Level 1
Assets:
Foreign currency forward contracts	0	0
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	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	24,170	3,332
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	12,567
Net investment contracts	5,133	6,049
Total assets at fair value	41,870	9,381
Liabilities:
Deferred compensation plans	10,765	9,615
Foreign currency forward contracts	8,396	5,508
Net investment contracts	55,781	20,261
Total liabilities at fair value	74,942	35,384
Level 3
Assets:
Foreign currency forward contracts	0	0
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	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

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Fair value portion of asset recognized for present right to economic benefit.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value of financial and nonfinancial obligations.

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Fair value of all derivative assets designated as hedges of net investment in foreign operations.

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Fair value portion of other liabilities.

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