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Commitments and Contingencies - Summary of Earn-out Liability (Details) - USD ($) $ in Thousands | Jul. 29, 2018 | Jan. 28, 2018
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Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 26,200 | $ 26,520
Amount expected to be settled within twelve months | 11,687 |
Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 5,432 | 4,408
Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 20,768 | 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 | 6,100 | 5,520
Amount expected to be settled within twelve months | 2,187 |
Cycleo | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 5,432 | 4,408
Cycleo | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 668 | 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 | 20,100 | 21,000
Amount expected to be settled within twelve months | 9,500 |
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 | 20,100 | 21,000
AptoVision Technologies Inc. | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 0 | $ 0

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