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Operating Segments - Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2015 | Apr. 30, 2014 | Apr. 30, 2015 | Apr. 30, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net external sales | $ 400,727 us-gaap_SalesRevenueNet | $ 417,461 us-gaap_SalesRevenueNet |  | $ 779,735 us-gaap_SalesRevenueNet | $ 776,881 us-gaap_SalesRevenueNet |
Operating profit (loss) | 76,414 us-gaap_OperatingIncomeLoss | 92,834 us-gaap_OperatingIncomeLoss |  | 139,232 us-gaap_OperatingIncomeLoss | 146,693 us-gaap_OperatingIncomeLoss |
Operating Segments [Member] | Adhesive Dispensing Systems [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net external sales | 203,273 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | 231,954 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember |  | 397,486 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | 441,425 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember |
Operating profit (loss) | 50,780 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | 62,699 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | [1] | 94,109 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | 110,619 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdhesiveDispensingSystemsMember | [1]
Operating Segments [Member] | Advanced Technology Systems [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net external sales | 129,482 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | 127,628 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember |  | 261,700 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | 225,169 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember |
Operating profit (loss) | 24,770 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | 30,842 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | [2] | 51,588 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | 41,220 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_AdvancedTechnologySystemsMember | [2]
Operating Segments [Member] | Industrial Coating Systems [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net external sales | 67,972 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember | 57,879 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember |  | 120,549 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember | 110,287 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember |
Operating profit (loss) | 11,514 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember | 9,335 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember |  | 15,278 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember | 14,291 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = ndsn_IndustrialCoatingSystemsMember |
Corporate [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating profit (loss) | $ (10,650)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | $ (10,042)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | $ (21,743)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | $ (19,437)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |
[1] | Includes $699 of severance and restructuring costs in the three and six months ended April 30, 2014.
[2] | Includes $579 of severance and restructuring costs in the three and six months ended April 30, 2014.

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