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BENEFIT PLANS:
 9 Months Ended
Sep. 30, 2012
BENEFIT PLANS:  
BENEFIT PLANS:

NOTE 10- BENEFIT PLANS:

 

SCC Defined Benefit Pension Plans

 

The components of the net periodic benefit costs for the nine months ended September 30, 2012 and 2011 are as follows (in millions):

 

 

 

2012

 

2011

 

Interest cost

 

$

0.4

 

$

0.4

 

Expected return on plan assets

 

(0.5

)

(0.5

)

Amortization of net loss (gain)

 

0.1

 

0.1

 

Net periodic benefit costs

 

$

—

 

$

—

 

 

SCC Post-retirement Health Care Plan

 

The components of the net periodic benefit costs for the post-retirement health care plan for the nine months ended September 30, 2012 and 2011 are individually, and in total, less than $0.1 million.

 

Minera Mexico Pension Plans

 

The components of the net periodic benefit costs for the nine months ended September 30, 2012 and 2011 are as follows (in millions):

 

 

 

2012

 

2011

 

 

 

 

 

 

 

Interest cost

 

$

0.5

 

$

0.5

 

Service cost

 

0.7

 

0.8

 

Expected return on plan assets

 

(2.2

)

(2.5

)

Amortization of transition assets, net

 

—

 

(0.1

)

Amortization of net actuarial loss

 

(0.6

)

(1.1

)

Amortization of prior services cost

 

—

 

—

 

Net periodic benefit cost

 

$

(1.6

)

$

(2.4

)

 

Minera Mexico Post-retirement Health Care Plan

 

The components of the net periodic cost for the nine months ended September 30, 2012 and 2011 are as follows (in millions):

 

 

 

2012

 

2011

 

 

 

 

 

 

 

Interest cost

 

$

1.1

 

$

2.8

 

Service cost

 

—

 

—

 

Amortization of net loss (gain)

 

(0.2

)

—

 

Amortization of transition obligation

 

—

 

1.1

 

Net periodic benefit cost

 

$

0.9

 

$

3.9