Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Details)

v2.4.0.6
Summary Of Significant Accounting Policies (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Summary of Investment Holdings [Line Items]      
Impairment charge of long-lived assets $ 6,211,000 $ 3,003,000 $ 1,542,000
Inventory planning, receiving and handling costs 65,290,000 57,901,000 55,867,000
Advertising costs 85,003,000 77,978,000 65,204,000
Buildings And Building Improvements [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, useful life minimum (years) 15    
Property plant and equipment, useful life maximum (years) 30    
Land Improvements [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, average useful life (years) 15    
Furniture And Fixtures [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, useful life minimum (years) 3    
Property plant and equipment, useful life maximum (years) 10    
Machinery And Equipment [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, useful life minimum (years) 3    
Property plant and equipment, useful life maximum (years) 5    
Leasehold Improvements [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, average useful life (years) 7    
Software And Software Development Costs [Member]
      
Summary of Investment Holdings [Line Items]      
Property plant and equipment, useful life minimum (years) 3    
Property plant and equipment, useful life maximum (years) 7    
Minimum [Member]
      
Summary of Investment Holdings [Line Items]      
Delivery time by geographic location (in days) 1    
Maximum [Member]
      
Summary of Investment Holdings [Line Items]      
Delivery time by geographic location (in days) 5    
Cooperative Advertising Expense [Member]
      
Summary of Investment Holdings [Line Items]      
Advertising costs $ 8,554,000 $ 7,259,000 $ 10,978,000