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Components of Net Periodic Cost (Benefit) related to Pension and Other Postretirement Benefit Plans
9 Months Ended
Sep. 01, 2012
Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans Abstract  
Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans Disclosure
Note 7: Components of Net Periodic Cost (Benefit) related to Pension and Other Postretirement Benefit Plans
             
  13 Weeks Ended September 1, 2012 and August 27, 2011
    Other
  Pension Benefits Postretirement
  U.S. Plans Non-U.S. Plans Benefits
Net periodic cost (benefit): 2012 2011 2012 2011 2012 2011
Service cost$ 23$ 12$ 312$ 285$ 136$ 128
Interest cost  4,025  4,041  2,077  1,857  618  669
Expected return on assets  (5,942)  (6,231)  (2,049)  (2,015)  (815)  (772)
Amortization:            
Prior service cost  12  (1)  (1)  (1)  (1,174)  (1,173)
Actuarial (gain)/ loss  965  504  601  699  1,288  1,484
Net periodic cost (benefit) $ (917)$ (1,675)$ 940$ 825$ 53$ 336
             
             
  39 Weeks Ended September 1, 2012 and August 27, 2011
    Other
  Pension Benefits Postretirement
  U.S. Plans Non-U.S. Plans Benefits
Net periodic cost (benefit): 2012 2011 2012 2011 2012 2011
Service cost$ 67$ 2,292$ 901$ 835$ 406$ 385
Interest cost  12,073  12,401  5,971  5,453  1,852  2,007
Expected return on assets  (17,818)  (18,728)  (5,985)  (5,918)  (2,447)  (2,316)
Amortization:            
Prior service cost  36  126  (3)  (3)  (3,520)  (3,520)
Actuarial (gain)/ loss  2,893  3,153  1,864  2,046  3,866  4,450
Net periodic cost (benefit) $ (2,749)$ (756)$ 2,748$ 2,413$ 157$ 1,006

During the second quarter of 2011, we announced significant changes to our U.S. Pension Plan (the Plan). The changes included: benefits under the Plan were locked-in using service and salary as of May 31, 2011, participants no longer earn benefits for future service and salary as they had in the past, affected participants receive a three percent increase to the locked-in benefit for every year they continue to work for us and we began making a retirement contribution of three percent of eligible compensation to the 401(k) Plan for those participants. These changes to the Plan represented a plan curtailment as there is no longer a service cost component in the net periodic pension cost as all participants are considered inactive in the Plan.