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Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) (Foreign Currency Forward Contracts [Member], USD $) In Thousands, unless otherwise specified	Jan. 31, 2015
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	$ 494,285us-gaap_DerivativeAssetNotionalAmount
Fair Market Value of foreign currency derivative sale contracts	466,625us-gaap_DerivativeFairValueOfDerivativeAsset
Notional Amounts of foreign currency derivative purchase contracts	553,218us-gaap_DerivativeLiabilityNotionalAmount
Fair Market Value of foreign currency derivative purchase contracts	527,457us-gaap_DerivativeFairValueOfDerivativeLiability
Euro [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	347,239us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	320,834us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	338,406us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	316,997us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
British Pound [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	118,975us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	118,006us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	100,545us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	99,102us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Japanese Yen [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	20,376us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	20,332us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	5,615us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	5,621us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Australian Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	484us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	466us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	8,336us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	7,523us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Hong Kong Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative purchase contracts	61,211us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	61,219us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Singapore Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	558us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	554us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	10,554us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	10,146us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Others [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	6,653us-gaap_DerivativeAssetNotionalAmount / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative sale contracts	6,433us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Notional Amounts of foreign currency derivative purchase contracts	28,551us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember
Fair Market Value of foreign currency derivative purchase contracts	$ 26,849us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember

X

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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-Publisher FASB

-Name Accounting Standards Codification

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