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PENSION AND OTHER POST RETIREMENT BENEFIT PLANS
3 Months Ended
Mar. 31, 2012
PENSION AND OTHER POST RETIREMENT BENEFIT PLANS.  
PENSION AND OTHER POST RETIREMENT BENEFIT PLANS

7.             PENSION AND OTHER POST RETIREMENT BENEFIT PLANS

 

The net periodic benefit cost of the Company’s defined benefit pension and post retirement benefit plans includes:

 

 

 

Three Months Ended March 31,

 

 

 

Pension Benefits

 

Other Benefits

 

(In millions)

 

2012

 

2011

 

2012

 

2011

 

Service cost — benefits earned during the period

 

$

0.9

 

$

0.6

 

$

0.2

 

$

0.2

 

Interest cost on projected benefit obligations

 

3.9

 

4.1

 

0.3

 

0.3

 

Expected return on plan assets

 

(4.0

)

(4.3

)

 

 

Amortization of net actuarial loss

 

1.3

 

0.8

 

0.5

 

0.4

 

 

 

 

 

 

 

 

 

 

 

Net periodic benefit cost

 

$

2.1

 

$

1.2

 

$

1.0

 

$

0.9