Net Earnings Per Share (Tables)
 6 Months Ended
Jan. 31, 2016
Earnings Per Share [Abstract]  
Schedule Of Information Necessary To Calculate Basic And Diluted Net Earnings Per Common Share
The following table presents information necessary to calculate basic and diluted net earnings per common share (millions of dollars except per share amounts):
 
Three Months Ended
January 31,
 
Six Months Ended
January 31,
 
2016
 
2015
 
2016
 
2015
Weighted average shares - basic
133.7

 
138.0

 
133.8

 
138.8

Common share equivalents
0.7

 
1.7

 
0.9

 
1.8

Weighted average shares - diluted
134.4

 
139.7

 
134.7

 
140.6

Net earnings for basic and diluted earnings per share computation
$
38.0

 
$
48.0

 
$
76.5

 
$
103.9

Net earnings per share - basic
$
0.28

 
$
0.35

 
$
0.57

 
$
0.75

Net earnings per share - diluted
$
0.28

 
$
0.34

 
$
0.57

 
$
0.74