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Segment, Geographic, Product and Significant Customer Information - Product Revenues (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012
Segment Reporting Information [Line Items] |  |  |
Total product revenues | $ 133,589 us-gaap_SalesRevenueGoodsNet | $ 107,402 us-gaap_SalesRevenueGoodsNet | $ 143,827 us-gaap_SalesRevenueGoodsNet
Automated Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total product revenues | 108,768 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_AutomatedSystemsMember | 82,924 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_AutomatedSystemsMember | 119,451 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_AutomatedSystemsMember
Integrated Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total product revenues | 15,334 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_IntegratedSystemsMember | 11,412 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_IntegratedSystemsMember | 12,379 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_IntegratedSystemsMember
Materials Characterization Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total product revenues | $ 9,487 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_MaterialsCharacterizationSystemsMember | $ 13,066 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_MaterialsCharacterizationSystemsMember | $ 11,997 us-gaap_SalesRevenueGoodsNet / us-gaap_ProductOrServiceAxis = nano_MaterialsCharacterizationSystemsMember

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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- Details
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- Details
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