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Supplemental Balance Sheet Information (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 6 Months Ended 6 Months Ended
Aug. 31, 2013
Feb. 28, 2013
Aug. 31, 2013
Land
Feb. 28, 2013
Land
Aug. 31, 2013
Land
Olive Branch, Mississippi distribution facility
acre
Aug. 31, 2013
Building and improvements
Feb. 28, 2013
Building and improvements
Aug. 31, 2013
Building and improvements
Minimum
Aug. 31, 2013
Building and improvements
Maximum
Aug. 31, 2013
Building and improvements
Olive Branch, Mississippi distribution facility
sqft
Aug. 31, 2013
Computer, furniture and other equipment
Feb. 28, 2013
Computer, furniture and other equipment
Aug. 31, 2013
Computer, furniture and other equipment
Minimum
Aug. 31, 2013
Computer, furniture and other equipment
Maximum
Aug. 31, 2013
Tools, molds and other production equipment
Feb. 28, 2013
Tools, molds and other production equipment
Aug. 31, 2013
Tools, molds and other production equipment
Minimum
Aug. 31, 2013
Tools, molds and other production equipment
Maximum
Aug. 31, 2013
Construction in progress
Feb. 28, 2013
Construction in progress
Aug. 31, 2013
Construction in progress
Olive Branch, Mississippi distribution facility
PROPERTY AND EQUIPMENT                                          
Estimated useful life               3 years 40 years       3 years 15 years     1 year 10 years      
Property and equipment, gross $ 206,310 $ 176,491 $ 12,800 $ 12,800   $ 67,494 $ 66,994       $ 55,670 $ 58,284     $ 29,311 $ 29,264     $ 41,035 $ 9,149 $ 30,940
Less accumulated depreciation (75,860) (74,775)                                      
Property and equipment, net $ 130,450 $ 101,716                                      
Area (in square feet or acres)         84         1,300,000