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v3.25.2

Accumulated other comprehensive loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Apr. 30, 2025 | Jan. 31, 2025 | Jul. 31, 2024 | Apr. 30, 2024 | Jan. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | $ 2,960,304 | $ 2,876,611 | $ 2,932,192 | $ 2,788,271 | $ 2,723,967 | $ 2,598,060 | $ 2,932,192 | $ 2,598,060
Pension and other postretirement plan adjustments, net of tax of $99 |  |  |  |  |  |  | (382) |
Foreign currency translation adjustments (a) | 4,973 | 95,605 | (51,679) | 8,096 | (32,620) | 43,943 | 48,899 | 19,419
Ending balance | 2,981,785 | 2,960,304 | 2,876,611 | 2,853,757 | 2,788,271 | 2,723,967 | 2,981,785 | 2,853,757
Amortization of prior service costs and net actuarial losses, tax |  |  |  |  |  |  | 99 |
Other Comprehensive Income (Loss), Net Investment Hedge, Tax |  |  |  |  |  |  | 8,205 |
Other Comprehensive Income (Loss), Net Investment Hedge, Gross |  |  |  |  |  |  | (27,470) |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | (140,822) | (236,007) | (184,840) | (185,558) | (152,957) | (196,441) | (184,840) | (196,441)
Foreign currency translation adjustments (a) | 4,973 | 95,605 | (51,679) | 8,096 | (32,620) | 43,943 |  |
Ending balance | (135,559) | $ (140,822) | (236,007) | $ (178,660) | $ (185,558) | $ (152,957) | (135,559) | $ (178,660)
Cumulative translation adjustments |  |  |  |  |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | (116,890) |  |  |  | (116,890) |
Pension and other postretirement plan adjustments, net of tax of $99 |  |  |  |  |  |  | 0 |
Foreign currency translation adjustments (a) |  |  |  |  |  |  | 48,899 |
Ending balance | (67,991) |  |  |  |  |  | (67,991) |
Pension and postretirement benefit plan adjustments |  |  |  |  |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | $ (67,950) |  |  |  | (67,950) |
Pension and other postretirement plan adjustments, net of tax of $99 |  |  |  |  |  |  | (382) |
Foreign currency translation adjustments (a) |  |  |  |  |  |  | 0 |
Ending balance | $ (67,568) |  |  |  |  |  | $ (67,568) |

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