Shareholders' Equity Non-Vested Restricted Stock Table (Details) (USD $)
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12 Months Ended |
0 Months Ended |
3 Months Ended |
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Jan. 31, 2015
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Feb. 01, 2014
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Feb. 02, 2013
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Nov. 18, 2014
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Jun. 18, 2014
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Mar. 17, 2014
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Mar. 13, 2014
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Nov. 25, 2013
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Nov. 26, 2013
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Jun. 19, 2013
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Oct. 03, 2012
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Jun. 14, 2012
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Feb. 01, 2014
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Jun. 13, 2012
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
3 years
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Share-based compensation |
$ 3,860,000us-gaap_ShareBasedCompensation
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$ 3,217,000us-gaap_ShareBasedCompensation
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$ 3,257,000us-gaap_ShareBasedCompensation
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Restricted Stock [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
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3 years
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3 years
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3 years
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12 months
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Share-based compensation |
1,323,000us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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1,575,000us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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812,000us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Number of non-management board members granted shares |
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$ 2evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonManagementBoardMembersGrantedShares / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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$ 6evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonManagementBoardMembersGrantedShares / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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$ 5evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonManagementBoardMembersGrantedShares / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
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Non-vested outstanding, January 28, 2012 |
641,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Granted |
392,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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56,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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4,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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53,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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436,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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44,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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50,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Vested |
(205,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Forfeited |
(124,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Non-vested outstanding, October 27, 2012 |
704,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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641,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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641,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Share-based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Non-vested outstanding, Weighted Average Grant Date Fair Value, January 28, 2012 |
$ 4.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Granted, Weighted Average Grant Date Fair Value |
$ 5.01us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Vested, Weighted Average Grant Date Fair Value |
$ 5.51us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Forfeited, Weighted Average Grant Date Fair Value |
$ 4.15us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Non-vested outstanding, Weighted Average Grant Date Fair Value, October 27, 2012 |
$ 4.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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$ 4.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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$ 4.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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