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v3.20.4

Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Footnotes) (Detail) | 3 Months Ended
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Jan. 31, 2021
Fair Value Disclosures [Abstract] |
Executive officers and other highly compensated employees salary and annual cash incentive compensation deferrals percentage, maximum | 100.00%
Executive officers share-based long-term incentive compensation deferrals percentage, maximum | 90.00%

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- Definition Deferred compensation arrangement with individual employee contribution percentage maximum. + References No definition available. + Details
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Balance Type: | na
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X
- Definition Deferred compensation arrangement with individual employee contribution percentage of long term incentive compensation maximum. + References No definition available. + Details
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Namespace Prefix: | ndsn_
Data Type: | num:percentItemType
Balance Type: | na
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X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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