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Financial Instruments - Carrying Amounts and Fair Values of Financial Instruments, Other than Receivables and Accounts Payable (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2015
Oct. 31, 2014
Apr. 30, 2014
Oct. 31, 2013
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]        
Cash and cash equivalents, Carrying Amount $ 51,454us-gaap_CashAndCashEquivalentsAtCarryingValue $ 42,314us-gaap_CashAndCashEquivalentsAtCarryingValue $ 49,732us-gaap_CashAndCashEquivalentsAtCarryingValue $ 42,375us-gaap_CashAndCashEquivalentsAtCarryingValue
Notes payable, Carrying Amount 57,747us-gaap_ShortTermBankLoansAndNotesPayable 106,181us-gaap_ShortTermBankLoansAndNotesPayable    
Long-term debt, including current maturities, Carrying Amount 829,947us-gaap_LongTermDebt      
Foreign currency forward contracts (net), Carrying Amount 3,013ndsn_DerivativeCarryingValueOfDerivativeNet      
Cash and cash equivalents, Fair Value 51,454us-gaap_CashAndCashEquivalentsFairValueDisclosure      
Notes payable, Fair Value 57,747us-gaap_NotesPayableFairValueDisclosure      
Long-term debt, including current maturities, Fair Value 826,304us-gaap_LongTermDebtFairValue      
Foreign currency forward contracts (net), Fair Value $ 3,013us-gaap_DerivativeFairValueOfDerivativeNet