Business Combinations (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 28, 2017 USD ($) $ / shares shares
Business Combinations [Abstract]
Payments to Acquire Businesses, Gross	$ 32.3
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | shares	5.7
Other Payments to Acquire Businesses	$ 4.3
Business Acquisition, Share Price (in Dollars per share) | $ / shares	$ 3.56
Equity Issued in Business Combination, Fair Value Disclosure	$ 20.4
Earn Out Achievement Provision Description	An earn-out of up to a maximum of $14.6 millionwill be payable in fiscal 2018 and fiscal 2019 subject to the achievement by etailz of $6 million in operating income in fiscal2017 and $7.5 million in fiscal 2018 as outlined in the share purchase agreement.
Due to Employees, Current	$ 1.9
Due to Employees, Noncurrent	2.3
Business Combination, Contingent Consideration, Liability Benefit	1.8
Business Combination, Acquisition Related Costs	$ 2.6