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Benefit Plans
 6 Months Ended
Jun. 30, 2011
Benefit Plans [Abstract]  
BENEFIT PLANS
NOTE 10: BENEFIT PLANS
The following tables set forth the components of net periodic benefit cost:
                                 
 
                       
PENSION BENEFITS   Three Months Ended     Six Months Ended  
    June 30     June 30  
in thousands   2011     2010     2011     2010  
Components of Net Periodic Benefit Cost
                               
Service cost
    $5,191       $4,800       $10,381       $9,608  
Interest cost
    10,650       10,406       21,192       20,811  
Expected return on plan assets
    (12,370 )     (12,526 )     (24,740 )     (25,061 )
Amortization of prior service cost
    85       115       170       230  
Amortization of actuarial loss
    3,011       1,540       5,835       2,876  
 
                       
Net periodic pension benefit cost
    $6,567       $4,335       $12,838       $8,464  
 
                       
Pretax reclassification from OCI included in net periodic pension benefit cost
    $3,096       $1,655       $6,005       $3,106  
 
                       
                                 
 
                       
OTHER POSTRETIREMENT BENEFITS   Three Months Ended     Six Months Ended  
    June 30     June 30  
in thousands   2011     2010     2011     2010  
Components of Net Periodic Benefit Cost
                               
Service cost
    $1,198       $1,067       $2,395       $2,133  
Interest cost
    1,612       1,662       3,225       3,325  
Amortization of prior service credit
    (168 )     (182 )     (337 )     (364 )
Amortization of actuarial loss
    287       222       574       444  
 
                       
Net periodic postretirement benefit cost
    $2,929       $2,769       $5,857       $5,538  
 
                       
Pretax reclassification from OCI included in net periodic postretirement benefit cost
    $119       $40       $237       $80  
 
                       
The reclassifications from OCI noted in the tables above are related to amortization of prior service costs or credits and actuarial losses as shown in Note 8.
In March 2010, we contributed $72,500,000 ($18,636,000 in cash and $53,864,000 in stock — 1,190,000 shares valued at $45.26 per share) and an additional $1,300,000 in July 2010 to our qualified pension plans for the 2009 plan year. These contributions, along with the existing funding credits, should be sufficient to cover expected required contributions to the qualified plans through 2012.
As of December 31, 2008, our Master Pension Trust had assets invested at Westridge Capital Management, Inc. (WCM) with a reported fair value of $59,245,000. In February 2009, the New York District Court appointed a receiver over WCM due to allegations of fraud and other violations of federal commodities and securities laws by principals of a WCM affiliate. In light of these allegations, we reassessed the fair value of our investments at WCM and recorded a $48,018,000 write-down in the estimated fair value of these assets for the year ended December 31, 2008.
During 2010, the Master Pension Trust received $6,555,000 from the receiver over WCM as a partial distribution of assets, and received a $15,000,000 insurance settlement related to our WCM loss. In April 2011, the court-appointed receiver released an additional $22,041,000 to our Master Pension Trust.