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Employee Benefit Plans (Tables)
3 Months Ended
Apr. 30, 2012
Employee Benefit Plans Tables [Abstract]  
Components Of Net Periodic Benefit Cost

Components of the net periodic benefit cost for our defined benefit pension plans and our other postretirement employee benefits (OPEB) plan for the three months ended April 30, 2012 and 2011 are presented below.

 Qualified Pension Nonqualified Pension Other Benefits
In thousands 2012  2011  2012  2011  2012  2011
                  
Service cost$ 2,475 $ 2,225 $ 10 $ 11 $ 347 $ 350
Interest cost  2,650   2,700   51   52   337   374
Expected return                 
on plan assets  (5,125)   (5,150)   -   -   (388)   (384)
Amortization of                 
transition obligation  -   -   -   -   167   167
Amortization of prior                 
service (credit) cost   (550)   (550)   20   5   -   -
Amortization of actuarial                 
loss  1,375   775   12   11   -   -
Total$ 825 $ - $ 93 $ 79 $ 463 $ 507

Components of the net periodic benefit cost for our defined benefit pension plans and our OPEB plan for the six months ended April 30, 2012 and 2011 are presented below.

 Qualified Pension Nonqualified Pension Other Benefits
In thousands 2012  2011  2012  2011  2012  2011
                  
Service cost$ 4,950 $ 4,450 $ 20 $ 23 $ 693 $ 699
Interest cost  5,300   5,400   102   104   674   747
Expected return                 
on plan assets  (10,250)   (10,300)   -   -   (776)   (767)
Amortization of                 
transition obligation  -   -   -   -   334   334
Amortization of prior                 
service (credit) cost   (1,100)   (1,100)   40   10   -   -
Amortization of actuarial                 
loss  2,750   1,550   24   21   -   -
Total$ 1,650 $ - $ 186 $ 158 $ 925 $ 1,013
Anticipated Employer Contribution To Benefit Plans

We anticipate that we will contribute the following amounts to our other plans in 2012.

In thousands   
    
Nonqualified pension plan $517
Qualified pension plan   -
OPEB plan  1,600