Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v2.4.1.9
Property and Equipment (Details) (USD $)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Property, Plant and Equipment [Line Items]      
Land and improvements $ 3,394,000us-gaap_LandAndLandImprovements $ 3,437,000us-gaap_LandAndLandImprovements  
Buildings and improvements 24,215,000us-gaap_BuildingsAndImprovementsGross 23,737,000us-gaap_BuildingsAndImprovementsGross  
Transmission and production equipment 5,424,000us-gaap_MachineryAndEquipmentGross 6,216,000us-gaap_MachineryAndEquipmentGross  
Office and warehouse equipment 9,298,000us-gaap_FurnitureAndFixturesGross 9,039,000us-gaap_FurnitureAndFixturesGross  
Computer hardware, software and telephone equipment 89,615,000evlv_ComputerHardwareCapitalizedSoftwareAndTelephoneEquipment 88,930,000evlv_ComputerHardwareCapitalizedSoftwareAndTelephoneEquipment  
Distribution Center Expansion - Construction in Process 16,151,000us-gaap_ConstructionInProgressGross 0us-gaap_ConstructionInProgressGross  
Leasehold improvements 2,681,000us-gaap_LeaseholdImprovementsGross 2,681,000us-gaap_LeaseholdImprovementsGross  
Less — Accumulated depreciation (108,019,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (109,088,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment  
Property and equipment, net 42,759,000us-gaap_PropertyPlantAndEquipmentNet 24,952,000us-gaap_PropertyPlantAndEquipmentNet  
Depreciation $ 8,854,000us-gaap_Depreciation $ 8,589,000us-gaap_Depreciation $ 9,376,000us-gaap_Depreciation
Building and Building Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P40Y    
Building and Building Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P5Y    
Transmission and Production Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P10Y    
Transmission and Production Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P5Y    
Office and Warehouse Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P15Y    
Office and Warehouse Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P3Y    
Computer Hardware, Software and Telephone Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P7Y    
Computer Hardware, Software and Telephone Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P3Y    
Construction in Progress [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P40Y    
Construction in Progress [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P3Y    
Leasehold Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P5Y    
Leasehold Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life P3Y