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EARNINGS (LOSS) PER SHARE (Tables)
 9 Months Ended
Apr. 30, 2019
Earnings Per Share [Abstract]  
Reconciliation of Earnings Per Share
The Company calculates earnings per share in accordance with ASC Topic 260, “Earnings per Share.” The following table reconciles earnings per share for the three and nine months ended April 30, 2019 and 2018:
 
Three Months Ended
April 30,
 
Nine Months Ended
April 30,
 
2019
 
2018
 
2019
 
2018
 
(In thousands, except per share data)
Net income (loss)
$
(9,627
)
 
$
(10,333
)
 
$
(28,745
)
 
$
44,248

Less: Preferred dividends on redeemable preferred stock
(525
)
 
(529
)
 
(1,598
)
 
(799
)
Net income (loss) attributable to common stockholders
(10,152
)
 
(10,862
)
 
(30,343
)
 
43,449

Effect of dilutive securities:
 
 
 
 
 
 
 
5.25% Convertible Senior Notes
—

 
—

 
—

 
5,248

Redeemable preferred stock
—

 
—

 
—

 
788

Net income (loss) attributable to common stockholders after assumed conversions
$
(10,152
)
 
$
(10,862
)
 
$
(30,343
)
 
$
49,485

Weighted average common shares outstanding
61,393

 
60,076

 
61,111

 
58,281

Weighted average common equivalent shares arising from dilutive stock options, restricted stock, convertible notes and convertible preferred stock
—

 
—

 
—

 
20,653

Weighted average number of common and potential common shares
61,393

 
60,076

 
61,111

 
78,934

Basic net earnings (loss) per share attributable to common stockholders:
$
(0.17
)
 
$
(0.18
)
 
$
(0.50
)
 
$
0.75

Diluted net earnings (loss) per share attributable to common stockholders:
$
(0.17
)
 
$
(0.18
)
 
$
(0.50
)
 
$
0.63