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Segment Information (Tables)
 9 Months Ended
Nov. 30, 2015
Segment Information [Abstract]  
Summary of net revenues from customer geographical segments
  2015  2014 
       
United States $48,956  $542,737 
Canada  2,800   84,717 
Europe  210   33,588 
Asia  137,384   318,348 
Other  55,979   62,061 
Total $245,329  $1,041,451