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Pension, Postretirement, and Postemployement Obligations (Tables)
3 Months Ended
Dec. 28, 2014
Pension Postretirement And Postemployment Defined Benefit Plans [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
The net periodic cost (benefit) components of our pension and postretirement medical plans are as follows:
 
PENSION PLANS
13 Weeks Ended
 
 
(Thousands of Dollars)
December 28
2014

December 29
2013

 
 
 
 
 
Service cost for benefits earned during the period
226

39

 
Interest cost on projected benefit obligation
1,859

1,999

 
Expected return on plan assets
(2,466
)
(2,483
)
 
Amortization of net loss
420

106

 
Amortization of prior service benefit
(34
)
(34
)
 
 
5

(373
)
 
 
 
 
 
POSTRETIREMENT MEDICAL PLANS
13 Weeks Ended
 
 
(Thousands of Dollars)
December 28
2014

December 29
2013

 
 
 
 
 
Service cost for benefits earned during the period
39

149

 
Interest cost on projected benefit obligation
211

228

 
Expected return on plan assets
(361
)
(371
)
 
Amortization of net gain
(347
)
(455
)
 
Amortization of prior service benefit
(365
)
(365
)
 
 
(823
)
(814
)