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Employee Benefits (Tables)
 3 Months Ended
Jan. 31, 2019
Retirement Benefits, Description [Abstract]  
Schedule of Components of Net Periodic Pension Costs
Our results of operations for the three months ended January 31, 2019 and 2018, reflect the following components of net periodic pension costs:
Three Months Ended January 31,
 
(In millions)
2019
 
2018
Service cost
$
2.5

 
$
2.7

Interest cost
1.5

 
1.3

Expected return on plan assets
(2.4
)
 
(2.3
)
Recognized net actuarial loss
0.2

 
0.4

Net periodic pension cost
$
1.8

 
$
2.1