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Pension and Other Postretirement Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2016
Pension and Other Postretirement Benefit Plans [Abstract]  
Components of Net Periodic Pension Cost



 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 



 

Three Months Ended June 30,



 

2016

 

2015

 

2016

 

2015



 

 

 

 

 

 

 

 

 

 

 

 

(in millions)

 

Pension Plans

 

Postretirement Plans

Service cost - benefits earned during the period

 

$

 0.2 

 

$

 0.4 

 

$

-  

 

$

-  

Interest cost

 

 

 7.4 

 

 

 7.3 

 

 

 0.1 

 

 

 0.1 

Expected return on plan assets

 

 

 (7.5)

 

 

 (7.9)

 

 

-  

 

 

-  

Recognized net actuarial loss

 

 

 2.8 

 

 

 4.8 

 

 

-  

 

 

 0.1 

Amortization of prior service cost

 

 

-  

 

 

-  

 

 

 (0.3)

 

 

 (0.3)

Curtailment gain

 

 

-  

 

 

 (1.8)

 

 

-  

 

 

-  

Net periodic pension cost (benefit)

 

$

 2.9 

 

$

 2.8 

 

$

 (0.2)

 

$

 (0.1)



 

 

 

 

 

 

 

 

 

 

 

 



 

Six Months Ended June 30,



 

2016

 

2015

 

2016

 

2015



 

 

 

 

 

 

 

 

 

 

 

 

(in millions)

 

Pension Plans

 

Postretirement Plans

Service cost - benefits earned during the period

 

$

 0.4 

 

$

 0.7 

 

$

-  

 

$

-  

Interest cost

 

 

 14.8 

 

 

 14.6 

 

 

 0.2 

 

 

 0.3 

Expected return on plan assets

 

 

 (15.0)

 

 

 (15.7)

 

 

-  

 

 

-  

Recognized net actuarial loss

 

 

 5.6 

 

 

 7.8 

 

 

 0.1 

 

 

 0.1 

Amortization of prior service cost

 

 

-  

 

 

-  

 

 

 (0.7)

 

 

 (0.7)

Curtailment gain

 

 

-  

 

 

 (1.8)

 

 

-  

 

 

-  

Net periodic pension cost (benefit)

 

$

 5.8 

 

$

 5.6 

 

$

 (0.4)

 

$

 (0.3)