Accumulated other comprehensive loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 3,043,571	$ 2,932,192
Reclassifications from AOCI to Statement of Income (2)	42,959	(51,679)
Ending balance	3,112,106	2,876,611
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(100,457)	(184,840)
Other comprehensive income before reclassification adjustments	(36,644)
Ending balance	(57,203)	$ (236,007)
Other Comprehensive Income (Loss), Reclassifications from AOCI to Statement of Income	550
Other Comprehensive Income (Loss), Tax	(6,060)
Cumulative translation and related hedging instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(50,518)
Other comprehensive income before reclassification adjustments	(36,775)
Ending balance	(7,559)
Other Comprehensive Income (Loss), Tax	(6,184)
Pension and postretirement benefit plan adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(49,939)
Other comprehensive income before reclassification adjustments	131
Ending balance	(49,644)
Other Comprehensive Income (Loss), Reclassifications from AOCI to Statement of Income	550
Other Comprehensive Income (Loss), Tax	$ (124)

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

+ References

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+ Details

NORDSON CORP 10-Q