Change In Unrealized Gain (Loss) On Foreign Currency, Derivative Instruments Not Designated as Hedging Instruments

No definition available.

Name:	ndsn_ChangeInUnrealizedGainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Foreign currency forward contracts maturity period maximum.

+ References

No definition available.

+ Details

Name:	ndsn_ForeignCurrencyForwardContractsMaturityPeriodMaximum
Namespace Prefix:	ndsn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Public Bond Offering

+ References

No definition available.

+ Details

Name:	ndsn_PublicBondOffering
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Treasury Lock

+ References

No definition available.

+ Details

Name:	ndsn_TreasuryLock
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Treasury Lock Cash Settlement

+ References

No definition available.

+ Details

Name:	ndsn_TreasuryLockCashSettlement
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=ndsn_Due2029Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Derivative financial instruments - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Sep. 04, 2024	Jan. 31, 2025	Jan. 31, 2024	Oct. 31, 2024	Sep. 09, 2024
Derivative [Line Items]
Maturity of foreign currency forward contracts		90 days
Gains (losses) on foreign currency forward contracts		$ (4,363)	$ 12,094
Change in unrealized gain (loss) on foreign currency derivative instruments		4,694	$ (12,916)
Derivative, Gain (Loss) on Derivative, Net		$ (44)
Due 2029
Derivative [Line Items]
Treasury Lock	$ 250,000
Public Bond Offering	600,000			$ 600,000	$ 600,000
Treasury Lock Cash Settlement	$ 2,306