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Acquisitions - Business Acquisition Pro forma of Financial Information (Detail) (2012 Acquisitions [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2012
2012 Acquisitions [Member]
 
Business Acquisitions Pro Forma Information [Line Items]  
Sales $ 1,537,251us-gaap_BusinessAcquisitionsProFormaRevenue
/ ndsn_BusinessAcquisitionByYearAxis
= ndsn_TwoThousandTwelveAcquisitionsMember
Net income $ 234,092us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ ndsn_BusinessAcquisitionByYearAxis
= ndsn_TwoThousandTwelveAcquisitionsMember
Basic earnings per share $ 3.63us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
/ ndsn_BusinessAcquisitionByYearAxis
= ndsn_TwoThousandTwelveAcquisitionsMember
Diluted earnings per share $ 3.60us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ ndsn_BusinessAcquisitionByYearAxis
= ndsn_TwoThousandTwelveAcquisitionsMember