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Supplemental Balance Sheet Information (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 9 Months Ended 9 Months Ended
Nov. 30, 2013
Feb. 28, 2013
Nov. 30, 2013
Olive Branch, Mississippi distribution facility
Feb. 28, 2013
Olive Branch, Mississippi distribution facility
Nov. 30, 2013
Land
Feb. 28, 2013
Land
Nov. 30, 2013
Land
Olive Branch, Mississippi distribution facility
acre
Nov. 30, 2013
Building and improvements
Feb. 28, 2013
Building and improvements
Nov. 30, 2013
Building and improvements
Minimum
Nov. 30, 2013
Building and improvements
Maximum
Nov. 30, 2013
Building and improvements
Olive Branch, Mississippi distribution facility
sqft
Nov. 30, 2013
Computer, furniture and other equipment
Feb. 28, 2013
Computer, furniture and other equipment
Nov. 30, 2013
Computer, furniture and other equipment
Minimum
Nov. 30, 2013
Computer, furniture and other equipment
Maximum
Nov. 30, 2013
Tools, molds and other production equipment
Feb. 28, 2013
Tools, molds and other production equipment
Nov. 30, 2013
Tools, molds and other production equipment
Minimum
Nov. 30, 2013
Tools, molds and other production equipment
Maximum
Nov. 30, 2013
Construction in progress
Feb. 28, 2013
Construction in progress
PROPERTY AND EQUIPMENT                                            
Estimated useful life                   3 years 40 years       3 years 15 years     1 year 10 years    
Property and equipment, gross $ 205,153 $ 176,491 $ 35,220 $ 4,030 $ 12,800 $ 12,800   $ 98,469 $ 66,994       $ 60,002 $ 58,284     $ 28,738 $ 29,264     $ 5,144 $ 9,149
Less accumulated depreciation (74,576) (74,775)                                        
Property and equipment, net $ 130,577 $ 101,716                                        
Area (in square feet or acres)             84         1,300,000