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Restructuring (Tables)
 12 Months Ended
Jul. 31, 2015
Restructuring and Related Activities [Abstract]  
Schedule of restructuring-related costs
The Company relocated its corporate headquarters to Dallas, Texas in 2012. Restructuring costs were as follows:
 
Year ended July 31,
(In thousands)
2015
 
2014
 
2013
General and Administrative
 

 
 

 
 

Severance
$
310

 
$
4,598

 
$
978

Relocation
255

 
491

 
759

Total general and administrative
$
565

 
$
5,089

 
$
1,737

Yard Operations
 

 
 

 
 

Relocation
$
25

 
$
(28
)
 
$
189

Impairment
—

 
—

 
—

Total yard operations
$
25

 
$
(28
)
 
$
189
Schedule of movements in severance accrual
The movements in the severance accrual were as follows:
 
Year ended July 31,
(In thousands)
2015
 
2014
Beginning balance
$
1,898

 
$
2,224

Expense
590

 
4,598

Payments
(1,538
)
 
(4,924
)
Ending balance
$
950

 
$
1,898