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Capital Shares - Capital Shares (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Oct. 31, 2016 | Oct. 31, 2015
Equity [Abstract] |  |
Number of Shares | 447 | 5,360
Total Amount | $ 31,877 | $ 381,598
Average per Share | $ 71.37 | $ 71.19

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