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Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) (USD $) In Thousands, unless otherwise specified | Apr. 30, 2015
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Derivative [Line Items] |
Fair Market Value of foreign currency derivative contracts | $ 3,013 us-gaap_DerivativeFairValueOfDerivativeNet
Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 591,351 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 600,519 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 662,489 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 674,639 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Euro [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 372,491 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 378,572 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Euro [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 370,074 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 378,887 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
British Pound [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 124,115 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 127,047 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
British Pound [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 106,410 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 108,506 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_GBP / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Japanese Yen [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 32,306 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 32,271 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Japanese Yen [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 20,685 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 20,685 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Australian Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 463 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 475 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Australian Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 7,487 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 7,658 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_AUD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Hong Kong Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 56,255 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 56,296 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Hong Kong Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 116,757 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 116,852 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_HKD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Singapore Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 365 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 378 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Singapore Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 10,493 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | 10,761 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Others [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 5,356 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Fair Market Value of foreign currency derivative contracts | 5,480 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_ShortMember
Others [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |
Derivative [Line Items] |
Notional Amounts of foreign currency derivative contracts | 30,583 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember
Fair Market Value of foreign currency derivative contracts | $ 31,290 us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_CurrencyAxis = ndsn_OtherCurrenciesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeContractMember / us-gaap_PositionAxis = us-gaap_LongMember

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 + Details
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