Annual report pursuant to Section 13 and 15(d)

Activist Shareholder Response Costs (Details)

v2.4.1.9
Activist Shareholder Response Costs (Details) (USD $)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Activist Shareholder Response Costs [Abstract]      
Activist Shareholder Costs $ 3,518,000evlv_ActivistShareholderCosts $ 2,133,000evlv_ActivistShareholderCosts $ 0evlv_ActivistShareholderCosts
Other Nonrecurring Expense $ 750,000us-gaap_OtherNonrecurringExpense