Pension, Postretirement, and Postemployement Obligations (Tables)

6 Months Ended

Mar. 31, 2013

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				26 Weeks Ended
(Thousands of Dollars)	March 31 2013		March 25 2012		March 31 2013		March 25 2012
Service cost for benefits earned during the period	54		7		108		14
Interest cost on projected benefit obligation	1,882		1,994		3,764		3,988
Expected return on plan assets	(2,459	)	(2,223	)	(4,918	)	(4,446	)
Amortization of net loss	572		593		1,144		1,186
Amortization of prior service benefit	(34	)	(34	)	(68	)	(68	)
	15		337		30		674
POSTRETIREMENT MEDICAL PLANS	13 Weeks Ended				26 Weeks Ended
(Thousands of Dollars)	March 31 2013		March 25 2012		March 31 2013		March 25 2012
Service cost for benefits earned during the period	182		182		364		364
Interest cost on projected benefit obligation	281		277		562		554
Expected return on plan assets	(368	)	(532	)	(736	)	(1,064	)
Amortization of net gain	(331	)	(613	)	(662	)	(1,226	)
Amortization of prior service benefit	(365	)	(365	)	(730	)	(730	)
	(601	)	(1,051	)	(1,202	)	(2,102	)