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Summary of Significant Accounting Policies (Details) (USD $)
12 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Mar. 27, 2011
Summary of Significant Accounting Policies [Abstract]      
Operating cycle 52 weeks 53 weeks 52 weeks
Cash and cash equivalent maturity period 90 days    
Payment period from large majority of commercial customers 30 days    
Reserves for excess or obsolescence inventory $ 3,336,700 $ 3,268,900  
Percentage of revenue recorded on net fee basis relationship (in hundredths) 2.00%    
Percentage of service revenue to total revenue (in hundredths) 1.00% 1.00% 1.00%
Expenses included in inventory 1,839,000 1,736,000  
Shipping cost included in selling, general and administrative expenses 13,674,300 13,325,100 15,044,100
Finite-Lived Intangible Assets [Line Items]      
Useful Life 2 months 12 days    
Impairment loss on indefinite-lived intangible assets (excluding goodwill) $ 0 $ 0 $ 0
Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Useful Life 4 years    
Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Useful Life 6 years    
Information Technology Equipment and Computer Software [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 1 year    
Information Technology Equipment and Computer Software [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 5 years    
Configuration, Fulfillment and Delivery Technology System [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 7 years    
Furniture, Telephone System, Equipment and Tooling [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 3 years    
Furniture, Telephone System, Equipment and Tooling [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 10 years    
Building, Building Improvements and Leasehold Improvements [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 2 years    
Building, Building Improvements and Leasehold Improvements [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Useful Lives 40 years