Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Narrative) (Details)

v3.3.1.900
Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]        
Estimated return rates   15.90% 16.30% 17.00%
Breakage income from merchandise credits $ 5,000 $ 500 $ 4,962  
Collection period of receivables from customer, days   30 days    
Accounts receivable, net 317,785 $ 306,575 317,785  
General and Administrative Costs in Inventory, Amount Remaining 6,000 6,900 6,000  
General and administrative cost in inventory 24,000 25,200 24,000 $ 23,900
Capitalized software costs, net of accumulated amortization 37,900 32,800 37,900  
Amortization expense related to the capitalized software costs   18,900 18,300 15,100
Capitalized advertising costs 18,000 19,100 18,000  
Advertising expense   $ 288,500 $ 279,600 $ 268,000
Percentage of likeliness of income tax being realized   50.00%    
Private Label Credit Card Sales, percent of sales   34.00% 31.00% 28.00%
private label credit card income   $ 16,900 $ 16,500 $ 12,800
Unmailed Catalogs [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Capitalized advertising costs $ 9,600 $ 15,200 $ 9,600  
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