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EARNINGS (LOSS) PER SHARE (Tables)
 6 Months Ended
Jan. 31, 2020
Earnings Per Share [Abstract]  
Reconciliation of earnings per share
The following table reconciles earnings (loss) per share for the three and six months ended months ended January 31, 2020 and 2019:
 
Three Months Ended
January 31,
 
Six Months Ended
January 31,
 
2020
 
2019
 
2020
 
2019
 
(In thousands, except per share data)
Net income (loss)
$
(3,557
)
 
$
(11,753
)
 
$
1,235

 
$
(19,118
)
Less: Preferred dividends on redeemable preferred stock
(531
)
 
(536
)
 
(1,067
)
 
(1,073
)
Net income (loss) attributable to common stockholders
$
(4,088
)
 
$
(12,289
)
 
$
168

 
$
(20,191
)
 
 
 
 
 
 
 
 
Weighted average common shares outstanding
61,538

 
60,935

 
61,469

 
60,974

Weighted average common equivalent shares arising from restricted stock
—

 
—

 
13

 
—

Weighted average number of common and potential common shares
61,538

 
60,935

 
61,482

 
60,974

Basic net earnings (loss) per share attributable to common stockholders
$
(0.07
)
 
$
(0.20
)
 
$
0.00

 
$
(0.33
)
Diluted net earnings (loss) per share attributable to common stockholders
$
(0.07
)
 
$
(0.20
)
 
$
0.00

 
$
(0.33
)