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CHANGES IN BUSINESS (Tables)
3 Months Ended
Nov. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Financial information for discontinued operations
Financial information for discontinued operations was as follows:
 
 
Three Months Ended November 30,
(in thousands)
 
2017
 
2016
Net sales
 
$
124

 
$
80,948

Earnings (loss) before income taxes
 
$
(1,898
)
 
$
1,873

CMC Cometals  
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Financial information for discontinued operations
 
 
Three Months Ended November 30,
(in thousands)
 
2017
 
2016
Net sales
 
$
124

 
$
80,972

Costs and expenses:
 
 
 
 
Cost of goods sold
 
29

 
72,794

Selling, general and administrative expenses
 
1,281

 
5,382

Interest expense
 

 
6

Earnings (loss) before income taxes
 
(1,186
)
 
2,790

Income taxes (benefit)
 
(172
)
 
553

Earnings (loss) from discontinued operations
 
$
(1,014
)
 
$
2,237