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Commitments and Contingencies - Summary of Earn-out Liability (Details) - USD ($) $ in Thousands | Oct. 28, 2018 | Jan. 28, 2018
--- | --- | ---
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 6,424 | $ 26,520
Amount expected to be settled within twelve months | 3,632 |
Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 3,801 | 4,408
Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 2,623 | 21,668
Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 444
Cycleo |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 4,263 | 5,520
Amount expected to be settled within twelve months | 2,334 |
Cycleo | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 3,801 | 4,408
Cycleo | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 462 | 668
Cycleo | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 444
AptoVision Technologies Inc. |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 2,161 | 21,000
Amount expected to be settled within twelve months | 1,298 |
AptoVision Technologies Inc. | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
AptoVision Technologies Inc. | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 2,161 | 21,000
AptoVision Technologies Inc. | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 0 | $ 0

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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