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Capital Shares - Capital Shares (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Equity [Abstract]
Number of Shares	949	145	0
Total Amount	$ 114,790	$ 18,939	$ 0
Average per Share	$ 121.01	$ 130.21	$ 0

X

- Definition

Number of shares that have been repurchased under publically announced programs during the period and are being held in treasury.

+ References

No definition available.

+ Details

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Namespace Prefix:	ndsn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of shares that have been repurchased under publically announced programs during the period.

+ References

No definition available.

+ Details

Name:	ndsn_TreasuryStockAcquiredUnderPubliclyAnnouncedPrograms
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Average cost per share of shares that have been repurchased under publically announced programs during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ndsn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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