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General Discussion Of Pension And Other Post Retirement Benefits (table)
6 Months Ended
Sep. 29, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
  Three Months Ended Six Months Ended
  September 29, October 1, September 29, October 1,
  2012 2011 2011 2011
Service Cost$2,223$1,501$4,444$3,003
Interest Cost 1,763 1,705 3,527 3,410
Expected Return on Plan Assets (2,291) (1,957) (4,582) (3,914)
Amortization of Actuarial Loss 337 375 675 749
Amortization of Transition Asset (57) (69) (114) (138)
Net Periodic Benefit Cost$1,975$1,555$3,950$3,110