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Defined Pension Plans (Tables)
 6 Months Ended
Jun. 30, 2012
Compensation and Retirement Disclosure [Abstract]  
Schedule Of Net Periodic Pension Costs [Table Text Block]

The following table represents the components of the net periodic pension costs:

(In thousands)       Estimated
2012		       Actual
2011
Service cost – benefits earned during the year $      2,688 $      2,073
Interest cost on projected benefit obligation 2,532 2,423
Expected return on plan assets (3,968 ) (3,314 )
Net amortization and deferral 1,396 603
       Net periodic pension cost $ 2,648 $ 1,785
Schedule of Net Benefit Costs [Table Text Block]

The following table represents the components of the net periodic pension costs for 2011 and an estimate for 2012:

Estimated Actual
(In thousands)       2012       2011
Service cost – benefits earned during the year $      134 $      89
Interest cost on projected benefit obligation 329 295
Net amortization 422 250
       Net periodic pension cost $ 885 $ 634