Earnings Per Share (Tables)
 9 Months Ended
Apr. 30, 2019
Earnings Per Share [Abstract]  
Schedule of information necessary to calculate basic and diluted net earnings per common share
The following table presents the information necessary to calculate basic and diluted net earnings per share (in millions, except per share amounts):
 
Three Months Ended
April 30,
 
Nine Months Ended
April 30,
 
2019

 
2018

 
2019

 
2018

Net earnings for basic and diluted earnings per share computation
$
75.2

 
$
69.9

 
$
209.1

 
$
77.9

 
 
 
 
 
 
 
 
Weighted average common shares outstanding:
 
 
 
 
 
 
 
Weighted average common shares – basic
128.2

 
130.1

 
128.5

 
130.5

Dilutive impact of share-based awards
1.8

 
1.8

 
1.9

 
2.0

Weighted average common shares – diluted
130.0

 
131.9

 
130.4

 
132.5

 
 
 
 
 
 
 
 
Net earnings per share – basic
$
0.59

 
$
0.54

 
$
1.63

 
$
0.60

Net earnings per share – diluted
$
0.58

 
$
0.53

 
$
1.60

 
$
0.59