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Employee Benefit Plans
 3 Months Ended
Apr. 30, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plans
EMPLOYEE BENEFIT PLANS

The Company maintains several pension and retirement plans and provides certain health-care and life insurance benefits.

Net periodic pension and other postretirement benefit expense included the following components:
 
 
Three Months Ended April 30,
 
 
Pension Benefits
 
Other
Postretirement Benefits
(in millions)
 
2020
 
2019
 
2020
 
2019
Net Periodic Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
4.9

 
$
4.2

 
$
0.8

 
$
0.7

Interest cost
 
7.4

 
8.1

 
0.8

 
0.8

Expected return on plan assets
 
(9.7
)
 
(8.7
)
 
—

 
—

Amortization of prior service credit
 
—

 
—

 
(0.1
)
 
(0.2
)
Amortization of net loss
 
5.6

 
2.6

 
0.1

 
0.2

Net expense
 
$
8.2

 
$
6.2

 
$
1.6

 
$
1.5



The components of net periodic benefit cost other than the service cost component are included in Other income, net on the Condensed Consolidated Statement of Earnings.