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Net Income per Common Share
 6 Months Ended
Jan. 31, 2016
Earnings Per Share [Abstract]  
Net Income per Common Share
Net Earnings per Common Share
Reconciliations of the numerator and denominator of the basic and diluted per share computations for the Company’s Class A and Class B common stock are summarized as follows:
 
Three months ended January 31,
 
Six months ended January 31,
 
2016
 
2015
 
2016
 
2015
Numerator: (in thousands)
 
 
 
 
 
 
 
Earnings from continuing operations
$
15,290

 
$
11,584

 
$
33,993

 
$
27,083

Less:
 
 
 
 
 
 
 
Preferential dividends
—

 
—

 
(783
)
 
(794
)
Preferential dividends on dilutive stock options
—

 
—

 
(1
)
 
(1
)
Numerator for basic and diluted earnings from continuing operations per Class B Voting Common Share
$
15,290

 
$
11,584

 
$
33,209

 
$
26,288

Denominator: (in thousands)
 
 
 
 
 
 
 
Denominator for basic earnings from continuing operations per share for both Class A and Class B
50,527

 
51,272

 
50,778

 
51,262

Plus: Effect of dilutive stock options
120

 
76

 
90

 
68

Denominator for diluted earnings from continuing operations per share for both Class A and Class B
50,647

 
51,348

 
50,868

 
51,330

Earnings from continuing operations per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
0.30

 
$
0.23

 
$
0.67

 
$
0.53

Diluted
$
0.30

 
$
0.23

 
$
0.67

 
$
0.53

Earnings from continuing operations per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
0.30

 
$
0.23

 
$
0.65

 
$
0.51

Diluted
$
0.30

 
$
0.23

 
$
0.65

 
$
0.51

Loss from discontinued operations per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
—

 
$
—

 
$
—

 
$
(0.04
)
Diluted
$
—

 
$
—

 
$
—

 
$
(0.04
)
Loss from discontinued operations per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
—

 
$
—

 
$
—

 
$
(0.03
)
Diluted
$
—

 
$
—

 
$
—

 
$
(0.04
)
Net earnings per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
0.30

 
$
0.23

 
$
0.67

 
$
0.49

Diluted
$
0.30

 
$
0.23

 
$
0.67

 
$
0.49

Net earnings per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
0.30

 
$
0.23

 
$
0.65

 
$
0.48

Diluted
$
0.30

 
$
0.23

 
$
0.65

 
$
0.47


Options to purchase approximately 3,923,000 and 3,860,000 shares of Class A Nonvoting Common Stock for the three months ended January 31, 2016 and 2015, respectively, and 4,048,000 and 3,878,000 shares for the six months ended January 31, 2016 and 2015, respectively, were not included in the computation of diluted net earnings or loss per share because the option exercise price was greater than the average market price of the common shares and, therefore, the effect would have been anti-dilutive.