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Commitments and Contingencies - Summary of Earn-out Liability (Details) - USD ($) $ in Thousands | Oct. 29, 2017 | Jan. 29, 2017
--- | --- | ---
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 23,247 | $ 6,068
Amount expected to be settled within twelve months | 11,486 |
Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 4,662 | 4,576
Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 17,964 | 949
Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 621 | 543
Triune Systems [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
Amount expected to be settled within twelve months | 0 |
Triune Systems [Member] | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
Triune Systems [Member] | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
Triune Systems [Member] | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
AptoVision Technologies Inc. [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 17,188 | 0
Amount expected to be settled within twelve months | 8,688 |
AptoVision Technologies Inc. [Member] | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
AptoVision Technologies Inc. [Member] | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 17,188 | 0
AptoVision Technologies Inc. [Member] | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 0 | 0
Cycleo [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 6,059 | 6,068
Amount expected to be settled within twelve months | 2,798 |
Cycleo [Member] | Compensation Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 4,662 | 4,576
Cycleo [Member] | Not Conditional Upon Continued Employment [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | 776 | 949
Cycleo [Member] | Interest Expense [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Earn-out liability booked | $ 621 | $ 543

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