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Commitments and Contingencies
6 Months Ended
Aug. 31, 2011
Commitments and Contingencies/Product Warranties [Abstract] 
Commitments and Contingencies
E. Commitments and Contingencies
     The Company is involved from time to time in litigation incidental to its business. Management believes that the outcome of such litigation will not have a material adverse effect on the financial position, results of operations or cash flows of the Company.