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Subsequent events - Additional Information (Detail) (Subsequent Event [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Feb. 20, 2015
Subsequent Event [Line Items]
Unsecured multicurrency credit facility with a group of banks	$ 600,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of credit Facility, borrowing capacity under certain conditions	850,000ndsn_LineOfCreditFacilityMaximumBorrowingCapacityUnderCertainConditions
Facility term	5 years
Line of credit facility expiration month and year	2016-12
Swing Line Loans [Member]
Subsequent Event [Line Items]
Unsecured multicurrency credit facility with a group of banks	$ 50,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = ndsn_SwingLineLoansMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X

- Definition

Line of credit facility expiration month and year.

+ References

No definition available.

+ Details

Name:	ndsn_LineOfCreditFacilityExpirationMonthAndYear
Namespace Prefix:	ndsn_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line of credit facility maximum borrowing capacity under certain conditions.

+ References

No definition available.

+ Details

Name:	ndsn_LineOfCreditFacilityMaximumBorrowingCapacityUnderCertainConditions
Namespace Prefix:	ndsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_CreditFacilityAxis=ndsn_SwingLineLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: