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Employee Benefits
9 Months Ended
Sep. 30, 2011
Employee Benefits [Abstract] 
Employee Benefits
Note 9.    Employee Benefits

During the second quarter of 2011, we announced that our postretirement medical benefit plans to substantially all eligible U.S. and Canadian employees will terminate on December 31, 2016.  There will be no change to the eligibility or plan provided to the 64 former union employees.  The remeasurement of the postretirement medical benefit plans resulting from these benefit modifications generated a $14.4 million reduction in the accumulated postretirement benefit obligation and a $3.6 million curtailment gain.  The remaining unrecognized prior service cost is being amortized on a straight-line basis over the remaining term of the plan.  The $3.6 million curtailment gain is included in selling, general and administrative expenses in the consolidated statement of operations.

The discount rate assumptions used to determine the remeasurement of the costs and benefit obligation related to our U.S. and Canadian postretirement plans were 1.87% and 3.75%, respectively.  These rates reflect the shorter duration of our obligation as a result of the negative plan amendments.

The components of net periodic benefit cost for our defined benefit plans and postretirement benefit plans for the three months and nine months ended September 30, 2011 and 2010 were as follows (in thousands):

   
Three Months Ended
  
Nine Months Ended
 
   
September 30,
  
September 30,
 
Pension Benefits
 
2011
  
2010
  
2011
  
2010
 
Service cost
 $36  $22  $110  $67 
Interest cost
  59   36   179   109 
Amortization of prior service cost
  30   40   84   120 
Actuarial net (gain) loss
  91   -   275   - 
Net periodic benefit cost
 $216  $98  $648  $296 
                  
Postretirement Benefits
                
Service cost
 $1  $47  $75  $143 
Interest cost
  35   290   516   903 
Amortization of prior service cost
  (1,642)  (2,257)  (4,873)  (6,772)
Amortization of transition obligation
  -   1   2   3 
Actuarial net loss
  728   315   1,473   1,001 
Curtailment gain
  -   -   (3,647)  - 
Net periodic benefit cost
 $(878) $(1,604) $(6,454) $(4,722)

For the nine months ended September 30, 2011, we made employee benefit contributions of $0.9 million related to our postretirement plans.  Based on current actuarial estimates, we believe we will be required to make approximately $1.1 million in contributions for 2011.

We maintain a Supplemental Executive Retirement Plan (“SERP”) for key employees. Under the plan, these employees may elect to defer a portion of their compensation and, in addition, we may at our discretion make contributions to the plan on behalf of the employees.  In March 2011, contributions of $0.2 million were made related to calendar year 2010.

We maintain an employee benefits trust to which we contributed 750,000 shares of treasury stock. We are authorized to instruct the trustees to distribute such shares toward the satisfaction of our future obligations under employee benefit plans. The shares held in trust are not considered outstanding for purposes of calculating earnings per share until they are committed to be released. The trustees will vote the shares in accordance with their fiduciary duties.  During 2011, we contributed to the trust an additional 180,000 shares from our treasury and released 183,000 shares from the trust leaving 3,930 shares remaining in the trust as of September 30, 2011.