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Discontinued Operations (Tables)
3 Months Ended
Nov. 30, 2012
Discontinued Operations and Disposal Groups [Abstract]  
Financial information for discontinued operations
Financial information for discontinued operations was as follows: 
(in thousands)
 
November 30, 2012
 
 August 31, 2012
 Current assets
 
$
3,832

 
$
6,601

 
 
 
 
 
 
 
Three Months Ended November 30,
(in thousands)
 
2012
 
2011
 Revenue
 
$

 
$
14,144

 Earnings (loss) before taxes
 
388

 
(27,003
)