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Components of Intangible Assets and Their Estimated Useful Lives at Acquisition Date (Detail) - Mobile Industrial Robots (MiR) $ in Thousands | Apr. 25, 2018 USD ($)
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Business Acquisition [Line Items] |
Total intangible assets, fair value | $ 37,660
Total intangible assets, estimated useful life, years | 6 years 1 month 6 days
Developed technology |
Business Acquisition [Line Items] |
Total intangible assets, fair value | $ 24,590
Total intangible assets, estimated useful life, years | 6 years
Trademarks and tradenames |
Business Acquisition [Line Items] |
Total intangible assets, fair value | $ 7,360
Total intangible assets, estimated useful life, years | 6 years
Customer Relationships |
Business Acquisition [Line Items] |
Total intangible assets, fair value | $ 5,450
Total intangible assets, estimated useful life, years | 7 years
Customer backlog |
Business Acquisition [Line Items] |
Total intangible assets, fair value | $ 260
Total intangible assets, estimated useful life, years | 3 months 18 days

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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