Summary of Significant Accounting Policies Level 4 (Details) (USD $)	3 Months Ended	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Long term, Total Credit Facility	$ 52,707,000evlv_LongtermTotalCreditFacility		$ 52,707,000evlv_LongtermTotalCreditFacility
Activist Shareholder Costs			3,518,000evlv_ActivistShareholderCosts	2,133,000evlv_ActivistShareholderCosts	0evlv_ActivistShareholderCosts
Severance Costs			5,520,000us-gaap_SeveranceCosts1	0us-gaap_SeveranceCosts1	0us-gaap_SeveranceCosts1
Number of Weeks in Fiscal Year, Minimum				364 days
Number of Weeks in Fiscal Year, Maximum					371 days
Number Of Weeks In Fiscal Period					371 days	364 days
Financing Receivable, Allowance for Credit Losses	6,706,000	6,446,000	6,706,000	6,446,000
Financing Receivable, Net	106,678,000us-gaap_NotesReceivableNet	101,658,000us-gaap_NotesReceivableNet	106,678,000us-gaap_NotesReceivableNet	101,658,000us-gaap_NotesReceivableNet
Provision for Doubtful Accounts			13,007,000us-gaap_ProvisionForDoubtfulAccounts	12,762,000us-gaap_ProvisionForDoubtfulAccounts	11,792,000us-gaap_ProvisionForDoubtfulAccounts
Purchasing and Receiving Costs			10,984,000evlv_PurchasingAndReceivingCosts	10,112,000evlv_PurchasingAndReceivingCosts	9,348,000evlv_PurchasingAndReceivingCosts
Restricted Cash and Investments, Current	2,100,000	2,100,000	2,100,000	2,100,000
Inventory Valuation Reserves			3,838,000us-gaap_InventoryWriteDown	3,776,000us-gaap_InventoryWriteDown	3,787,000us-gaap_InventoryWriteDown
Marketing and Advertising Expense			1,946,000us-gaap_MarketingAndAdvertisingExpense	1,827,000us-gaap_MarketingAndAdvertisingExpense	1,843,000us-gaap_MarketingAndAdvertisingExpense
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,118,000	6,247,000			3,920,000
Long term credit facility	50,971,000us-gaap_LongTermLineOfCredit	38,000,000us-gaap_LongTermLineOfCredit	50,971,000us-gaap_LongTermLineOfCredit	38,000,000us-gaap_LongTermLineOfCredit
Gains (Losses) on Extinguishment of Debt			0	0	500,000
FCC license impairment			$ 0	$ 0	$ 11,111,000

Expenses, primarily legal, related to Activist Shareholder action

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Long term, Total Credit Facility

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Number Of Weeks In Fiscal Period

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Purchasing and receiving costs, including inspection included as a component of distribution and selling expenses. Promarily consists of cable/satellite access fees, credit card fees and costs associated with purchasing, receiving, inspection and warehousing.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Glossary Diluted Earnings Per Share

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-Glossary Contingent Stock Agreement

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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