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Discontinued Operations (Tables)
9 Months Ended
Apr. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
The following table summarizes the operating results of discontinued operations for the three and nine months ended April 30, 2015 and 2014:
 
Three months ended April 30,
 
Nine months ended April 30,
 
2015
 
2014
 
2015
 
2014
Net sales
$

 
$
46,246

 
$

 
$
161,862

Earnings (loss) from operations of discontinued businesses

 
3,629

 
(1,201
)
 
16,390

Income tax benefit (expense)

 
275

 
(288
)
 
(784
)
Loss on sale of discontinued operations

 

 
(487
)
 

Income tax benefit on sale of discontinued operations

 

 
61

 

Earnings (loss) from discontinued operations, net of income tax
$

 
$
3,904

 
$
(1,915
)
 
$
15,606