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DESCRIPTION OF BUSINESS (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]      
Number of showrooms 122    
Number of states 17    
Number of reportable segments 1    
Revenue Recognition [Abstract]      
Delivery fees $ 21,699,000 $ 21,492,000 $ 21,854,000
Deliveries expense 31,411,000 31,218,000 30,191,000
Purchasing, warehousing, delivery and other distribution costs 61,991,000 62,857,000 60,253,000
Straight-line lease liability 10,901,000 10,946,000  
Lease incentives 2,918,000 1,456,000  
Prepaid advertising cost 631,000 1,027,000  
Advertising expense 41,883,000 41,591,000 41,012,000
Interest and Debt Expense 866,000 845,000 949,000
Net (loss) gain on sale of property and equipment 12,000 (94,000) 1,653,000
Self-insurance reserves 7,227,000 5,243,000  
Assets [Abstract]      
Other assets fair value 1,549,000 1,450,000  
Percentage of earnings or losses assumed in calculation (in hundredths) 100.00%    
Unrecognized pension liability $ 23,378,000 $ 24,879,000  
Building [Member] | Minimum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 25 years    
Building [Member] | Maximum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 33 years    
Improvements [Member] | Minimum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 5 years    
Improvements [Member] | Maximum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 15 years    
Furniture and Fixtures [Member] | Minimum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 3 years    
Furniture and Fixtures [Member] | Maximum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 15 years    
Equipment [Member] | Minimum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 3 years    
Equipment [Member] | Maximum [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 15 years    
Buildings Under Lease [Member]
      
Property, Plant and Equipment [Line Items]      
Estimated useful life of property and equipment 15 years