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Discontinued Operations (Tables)
6 Months Ended
Oct. 31, 2012
Discontinued Operations [Abstract]  
Summary of the operating results of the discontinued operations
                                 
    For the Three Months Ended October 31,     For the Six Months Ended October 31,  
    2012     2011     2012     2011  

Net sales from discontinued operations

  $ —       $ 5,987     $ 6,732     $ 13,448  

Loss before income taxes

  $ (867   $ (4,004   $ (2,550   $ (6,706

Income tax benefit (a)

  $ (5,651   $ (1,465   $ (6,249   $ (2,681

Net loss from discontinued operations

  $ 4,784     $ (2,539   $ 3,699     $ (4,025

 

 

(a) Income tax benefit for the three and six months ended October 31, 2012 primarily related to the future tax benefit we recorded resulting from the sale of SWSS.