XML 25 R14.htm IDEA: XBRL DOCUMENT v3.8.0.1
Pension and Other Postretirement Benefit Plans
 3 Months Ended
Mar. 31, 2018
Compensation And Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefit Plans

6. Pension and Other Postretirement Benefit Plans

The components of net periodic pension cost for defined benefit pension and other postretirement benefit plans included in the Company’s results of operations are as follows:

 

 

 

Three Months Ended March 31,

 

 

 

2018

 

 

2017

 

 

2018

 

 

2017

 

(in millions)

 

Pension Plans

 

 

Postretirement Plans

 

Service cost - benefits earned during the period

 

$

—

 

 

$

—

 

 

$

—

 

 

$

—

 

Interest cost

 

 

5.9

 

 

 

6.4

 

 

 

0.1

 

 

 

0.1

 

Expected return on plan assets

 

 

(6.9

)

 

 

(6.8

)

 

 

—

 

 

 

—

 

Recognized net actuarial loss

 

 

2.5

 

 

 

3.8

 

 

 

0.1

 

 

 

—

 

Amortization of prior service cost

 

 

—

 

 

 

—

 

 

 

(0.1

)

 

 

(0.3

)

Net periodic pension cost (benefit)

 

$

1.5

 

 

$

3.4

 

 

$

0.1

 

 

$

(0.2

)