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Employee Benefit Plans (Tables)
 9 Months Ended
Apr. 30, 2016
General Discussion of Pension and Other Postretirement Benefits [Abstract]  
Components Of Net Periodic Pension Costs
Net periodic pension costs for the Company’s pension plans include the following components (millions of dollars):
 
Three Months Ended
April 30,
 
Nine Months Ended
April 30,
 
2016
 
2015
 
2016
 
2015
Net periodic cost:
 

 
 

 
 

 
 

Service cost
$
4.7

 
$
4.8

 
$
13.8

 
$
15.1

Interest cost
4.8

 
4.8

 
14.3

 
14.5

Expected return on assets
(7.2
)
 
(7.4
)
 
(21.7
)
 
(22.3
)
Prior service cost and transition amortization
0.1

 
0.2

 
0.4

 
0.5

Settlement cost
—

 
—

 
—

 
3.9

Actuarial loss amortization
2.1

 
1.8

 
6.4

 
5.5

Net periodic benefit cost
$
4.5

 
$
4.2

 
$
13.2

 
$
17.2