Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Narrative) (Details)

v2.4.0.8
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items]      
Estimated return rates 17.00% 17.80% 18.50%
Collection period of receivables from customer, days 30 days    
Accounts receivable, net $ 265,115,000 $ 249,890,000  
General and administrative overhead costs in inventories 6,000,000 6,200,000  
General and administrative cost in inventory 23,900,000 24,300,000 20,900,000
Capitalized software costs, net of accumulated amortization 37,300,000 21,600,000  
Amortization expense related to the capitalized software costs 15,100,000 12,700,000 13,100,000
Capitalized advertising costs 18,800,000 19,100,000  
Advertising expense 268,000,000 245,000,000 215,500,000
Percentage of likeliness of income tax being realized 50.00%    
Unmailed Catalogs [Member]
      
Summary Of Significant Accounting Policies [Line Items]      
Capitalized advertising costs $ 13,000,000 $ 10,200,000  
Minimum [Member]
      
Summary Of Significant Accounting Policies [Line Items]      
Number of interest-free monthly payments 2 months    
Maximum [Member]
      
Summary Of Significant Accounting Policies [Line Items]      
Number of interest-free monthly payments 6 months    
Maximum [Member] | Capitalized Software [Member]
      
Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 5 years