Acquisition and Investment (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | Apr. 11, 2017 | Oct. 17, 2016 | Oct. 28, 2017 | Jul. 29, 2017 | Oct. 29, 2016 | Oct. 28, 2017 | Oct. 29, 2016 | Feb. 02, 2019 | Jan. 30, 2019 | Jan. 30, 2018 | Jan. 28, 2017 |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Payments to Acquire Businesses, Net of Cash Acquired | | | | | | | $ 36,600 | | | | |
Business Combination, Contingent Consideration, Liability | | | $ 2,115 | | $ 10,381 | $ 2,115 | 10,381 | | | | $ 8,552 |
Operating Income (Loss) | | | $ (8,111) | | $ (7,808) | (18,669) | $ (13,016) | | | | |
Increase (Decrease) in Other Deferred Liability | | | | $ 1,400 | | | | | | | |
Proceeds from Equity Method Investment, Distribution, Return of Capital | | | | | | $ 632 | | | | | |
Collaborative Arrangement [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Business Acquisition, Percentage of Voting Interests Acquired | | | 50.00% | | | 50.00% | | | | | |
Payments to Acquire Equity Method Investments | $ 2,600 | | | | | | | | | | |
Proceeds from Equity Method Investment, Distribution | | | | | | $ 1,700 | | | | | |
Proceeds from Equity Method Investment, Distribution, Return of Capital | | | | | | 700 | | | | | |
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Redeemable | | | | | | $ 1,000 | | | | | |
etailz [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Payments to Acquire Businesses, Net of Cash Acquired | | $ 32,300 | | | | | | | | | |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | | 5.7 | | | | | | | | | |
Other Payments to Acquire Businesses | | $ 4,300 | | | | | | | | | |
Business Acquisition, Share Price (in Dollars per share) | | $ 3.56 | | | | | | | | | |
Equity Issued in Business Combination, Fair Value Disclosure | | $ 20,400 | | | | | | | | | |
EarnOutProvisionAchievementDescription | | An earn-out of up to a maximum of $14.6 million would be payable in fiscal 2018 and fiscal2019 subject to the achievement by etailz of $6.0 million in operating income in fiscal 2017 and $7.5 million in fiscal 2018 asoutlined in the share purchase agreement prior to its amendment as discussed in the following paragraph. | | | | | | | | | |
Business Combination, Contingent Consideration, Liability | | $ 14,600 | | | | | | | | | |
Present Value of Future Insurance Profits, Amortization Expense, Remainder of Fiscal Year | | | | | | | | | $ 7,500 | $ 6,000 | |
Decrease in Restricted Cash | | 1,900 | | 11,500 | | | | | | | |
Due to Employees, Noncurrent | | $ 2,300 | | | | | | | | | |
Escrow Deposit | | | | 3,100 | | | | | | | |
Operating Income (Loss) | | | | | | | | $ 15,500 | | | |
etailz [Member] | Maximum [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Operating Income (Loss) | | | | 15,500 | | | | | | | |
etailz [Member] | Minimum [Member] | Two Thousand and Nineteen [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Due to Employees, Noncurrent | | | | 1,600 | | | | | | | |
etailz [Member] | Future Investment [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Decrease in Restricted Cash | | | | 5,000 | | | | | | | |
etailz [Member] | To The Selling Shareholders [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Decrease in Restricted Cash | | | | 5,000 | | | | | | | |
etailz [Member] | To The Company [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Decrease in Restricted Cash | | | | 1,500 | | | | | | | |
etailz [Member] | Minimum [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Operating Income (Loss) | | | | 13,500 | | | | | | | |
etailz [Member] | Original Amount [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Maximum Amount Available Under Employee Rentention Bonus Plan | | | | 4,200 | | | | | | | |
etailz [Member] | New Amount [Member] | | | | | | | | | | | |
Acquisition and Investment (Details) [Line Items] | | | | | | | | | | | |
Maximum Amount Available Under Employee Rentention Bonus Plan | | | | $ 5,700 | | | | | | | |