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PROPERTY AND EQUIPMENT (Details) (USD $)
12 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 29, 2012
PROPERTY AND EQUIPMENT      
Property and equipment, gross $ 200,633,000 $ 176,491,000  
Less accumulated depreciation (71,516,000) (74,775,000)  
Property and equipment, net 129,117,000 101,716,000  
Depreciation expense 12,230,000 12,030,000 9,140,000
Capital expenditures for property and equipment 40,120,000 13,610,000 15,380,000
Rent expense related to operating leases 5,680,000 6,390,000 5,590,000
Olive Branch, Mississippi distribution facility
     
PROPERTY AND EQUIPMENT      
Capital expenditures for property and equipment 34,030,000 4,030,000  
Land
     
PROPERTY AND EQUIPMENT      
Property and equipment, gross 12,800,000 12,800,000  
Land | Olive Branch, Mississippi distribution facility
     
PROPERTY AND EQUIPMENT      
Area (in square feet or acres) 84    
Building and improvements
     
PROPERTY AND EQUIPMENT      
Property and equipment, gross 98,660,000 66,994,000  
Building and improvements | Minimum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 3 years    
Building and improvements | Maximum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 40 years    
Building and improvements | Olive Branch, Mississippi distribution facility
     
PROPERTY AND EQUIPMENT      
Area (in square feet or acres) 1,300,000    
Computer, furniture and other equipment
     
PROPERTY AND EQUIPMENT      
Property and equipment, gross 60,291,000 58,284,000  
Computer, furniture and other equipment | Minimum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 3 years    
Computer, furniture and other equipment | Maximum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 15 years    
Tools, molds and other production equipment
     
PROPERTY AND EQUIPMENT      
Property and equipment, gross 23,017,000 29,264,000  
Tools, molds and other production equipment | Minimum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 1 year    
Tools, molds and other production equipment | Maximum
     
PROPERTY AND EQUIPMENT      
Estimated useful life 10 years    
Construction in progress
     
PROPERTY AND EQUIPMENT      
Property and equipment, gross $ 5,865,000 $ 9,149,000