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PENSION AND OTHER POSTRETIREMENT BENEFITS
3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
PENSION AND OTHER POSTRETIREMENT BENEFITS
PENSION AND OTHER POSTRETIREMENT BENEFITS:

For the three months ended  March 31, 2013 and 2012, net periodic benefit cost related to the employee and officer pension and other postretirement benefit plans consisted of the following components (in thousands):
 
Pension Benefits
 
Three Months Ended
March 31,
 
2013
 
2012
Service Cost
$
1,047

 
$
898

Interest Cost
1,772

 
1,813

Expected Return on Plan Assets
(2,271
)
 
(2,085
)
Amortizations:
 
 
 
Prior Service Cost
48

 
47

Actuarial Loss
1,649

 
1,326

Net Periodic Benefit Cost
2,245

 
1,999

Capitalized Benefit Costs
(1,167
)
 
(980
)
Total Net Periodic Benefit Expense
$
1,078

 
$
1,019

 
Other Postretirement Benefits
 
Three Months Ended
March 31,
 
2013
 
2012
Service Cost
$
238

 
$
223

Interest Cost
535

 
583

Expected Return on Plan Assets
(449
)
 
(424
)
Amortizations:

 


Prior Service Credits
(54
)
 
(54
)
Actuarial Loss
351

 
289

Net Periodic Benefit Cost
621

 
617

Capitalized Benefit Costs
(322
)
 
(302
)
Total Net Periodic Benefit Expense
$
299

 
$
315



Capitalized benefit costs reflected in the table above relate to our construction program.



SJG contributed $9.1 million and $19.8 million to the pension plans in January 2013 and 2012, respectively. No additional contributions are expected to be made to the pension plans during 2013. Payments related to the unfunded Supplemental Executive Retirement Plan (SERP) are expected to approximate $1.2 million in 2013. We also have a regulatory obligation to contribute approximately $3.6 million annually to the other postretirement benefit plans’ trusts, less direct costs incurred.

See Note 11 to the Financial Statements in Item 8 of SJG’s Form 10-K as of December 31, 2012 for additional information related to SJG’s pension and other postretirement benefits.