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Goodwill and Intangible Assets - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 29, 2018 USD ($) | Jan. 27, 2019 reporting_unit
Goodwill [Line Items] |  |
Number of reporting units | reporting_unit |  | 3
Wireless and Sensing |  |
Goodwill [Line Items] |  |
Goodwill | $ | $ 49.4 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Period Type: | duration

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- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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Balance Type: | debit
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Period Type: |